156055161 has 32 divisors (see below), whose sum is σ = 223534080. Its totient is φ = 96617664.

The previous prime is 156055157. The next prime is 156055199. The reversal of 156055161 is 161550651.

It is not a de Polignac number, because 156055161 - 2² = 156055157 is a prime.

It is a super-3 number, since 3×156055161³ (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (156055111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 508170 + ... + 508476.

It is an arithmetic number, because the mean of its divisors is an integer number (6985440).

Almost surely, 2^156055161 is an apocalyptic number.

It is an amenable number.

156055161 is a deficient number, since it is larger than the sum of its proper divisors (67478919).

156055161 is a wasteful number, since it uses less digits than its factorization.

156055161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525.

The product of its (nonzero) digits is 4500, while the sum is 30.

The square root of 156055161 is about 12492.2040089009. The cubic root of 156055161 is about 538.3847031742.

The spelling of 156055161 in words is "one hundred fifty-six million, fifty-five thousand, one hundred sixty-one".