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161320580893153 = 1161240418153343
BaseRepresentation
bin100100101011100001011111…
…111010110100100111100001
3210011012002121122122012100001
4210223201133322310213201
5132121034022202040103
61331033352440500001
745660012244516333
oct4453413772644741
9704162548565301
10161320580893153
1147446746328080
121611501417a601
136c02608932346
142bb9d5a1cb453
15139b4ba00a01d
hex92b85feb49e1

161320580893153 has 8 divisors (see below), whose sum is σ = 178871106087936. Its totient is φ = 144250892005200.

The previous prime is 161320580893151. The next prime is 161320580893163. The reversal of 161320580893153 is 351398085023161.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 161320580893153 - 21 = 161320580893151 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 161320580893094 and 161320580893103.

It is not an unprimeable number, because it can be changed into a prime (161320580893151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120209076001 + ... + 120209077342.

It is an arithmetic number, because the mean of its divisors is an integer number (22358888260992).

Almost surely, 2161320580893153 is an apocalyptic number.

It is an amenable number.

161320580893153 is a deficient number, since it is larger than the sum of its proper divisors (17550525194783).

161320580893153 is a wasteful number, since it uses less digits than its factorization.

161320580893153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240418153415.

The product of its (nonzero) digits is 4665600, while the sum is 55.

The spelling of 161320580893153 in words is "one hundred sixty-one trillion, three hundred twenty billion, five hundred eighty million, eight hundred ninety-three thousand, one hundred fifty-three".

Divisors: 1 11 61 671 240418153343 2644599686773 14665507353923 161320580893153