161573484375161 has 8 divisors (see below), whose sum is σ = 163228292420544. Its totient is φ = 159919756145200.

The previous prime is 161573484375131. The next prime is 161573484375181.

It is a happy number.

161573484375161 is nontrivially palindromic in base 10.

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 161573484375161 - 2⁶ = 161573484375097 is a prime.

It is a super-2 number, since 2×161573484375161² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 161573484375094 and 161573484375103.

It is not an unprimeable number, because it can be changed into a prime (161573484375131) 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, 269653061 + ... + 270251586.

It is an arithmetic number, because the mean of its divisors is an integer number (20403536552568).

Almost surely, 2^{161573484375161} is an apocalyptic number.

It is an amenable number.

161573484375161 is a deficient number, since it is larger than the sum of its proper divisors (1654808045383).

161573484375161 is a wasteful number, since it uses less digits than its factorization.

161573484375161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539907711.

The product of its digits is 50803200, while the sum is 62.

The spelling of 161573484375161 in words is "one hundred sixty-one trillion, five hundred seventy-three billion, four hundred eighty-four million, three hundred seventy-five thousand, one hundred sixty-one".