16161064032 has 24 divisors (see below), whose sum is σ = 42422793336. Its totient is φ = 5387021312.

The previous prime is 16161063953. The next prime is 16161064081. The reversal of 16161064032 is 23046016161.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×16161064032² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84172113 + ... + 84172304.

It is an arithmetic number, because the mean of its divisors is an integer number (1767616389).

Almost surely, 2^16161064032 is an apocalyptic number.

16161064032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16161064032 is an abundant number, since it is smaller than the sum of its proper divisors (26261729304).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16161064032 is a wasteful number, since it uses less digits than its factorization.

16161064032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168344430 (or 168344422 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The spelling of 16161064032 in words is "sixteen billion, one hundred sixty-one million, sixty-four thousand, thirty-two".