16232635161 has 24 divisors (see below), whose sum is σ = 24689595840. Its totient is φ = 10248703200.

The previous prime is 16232635157. The next prime is 16232635201. The reversal of 16232635161 is 16153623261.

16232635161 is a `hidden beast` number, since 1 + 6 + 2 + 3 + 2 + 635 + 16 + 1 = 666.

It is not a de Polignac number, because 16232635161 - 2² = 16232635157 is a prime.

It is a super-3 number, since 3×16232635161³ (a number of 32 digits) contains 333 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16232635141) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 544831 + ... + 573851.

It is an arithmetic number, because the mean of its divisors is an integer number (1028733160).

Almost surely, 2^16232635161 is an apocalyptic number.

It is an amenable number.

16232635161 is a deficient number, since it is larger than the sum of its proper divisors (8456960679).

16232635161 is a wasteful number, since it uses less digits than its factorization.

16232635161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32317 (or 32314 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The spelling of 16232635161 in words is "sixteen billion, two hundred thirty-two million, six hundred thirty-five thousand, one hundred sixty-one".