Search a number
-
+
161606060111049 = 385751628198933
BaseRepresentation
bin100100101111101011010111…
…110011100111010011001001
3210012012101111012011001202120
4210233223113303213103021
5132140223202342023144
61331412444335121453
746016436552032211
oct4457532763472311
9705171435131676
10161606060111049
1147546821964904
1216160406673289
136c235032a1898
142bc9abca11241
1513a3b279b4e19
hex92fad7ce74c9

161606060111049 has 8 divisors (see below), whose sum is σ = 215477259953472. Its totient is φ = 107736116838000.

The previous prime is 161606060110993. The next prime is 161606060111051. The reversal of 161606060111049 is 940111060606161.

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

It is not a de Polignac number, because 161606060111049 - 213 = 161606060102857 is a prime.

It is a super-2 number, since 2×1616060601110492 (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 161606060111049.

It is not an unprimeable number, because it can be changed into a prime (161606060113049) 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, 313842214 + ... + 314356719.

It is an arithmetic number, because the mean of its divisors is an integer number (26934657494184).

Almost surely, 2161606060111049 is an apocalyptic number.

It is an amenable number.

161606060111049 is a deficient number, since it is larger than the sum of its proper divisors (53871199842423).

161606060111049 is an equidigital number, since it uses as much as digits as its factorization.

161606060111049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628284687.

The product of its (nonzero) digits is 46656, while the sum is 42.

The spelling of 161606060111049 in words is "one hundred sixty-one trillion, six hundred six billion, sixty million, one hundred eleven thousand, forty-nine".

Divisors: 1 3 85751 257253 628198933 1884596799 53868686703683 161606060111049