16161375025 has 24 divisors (see below), whose sum is σ = 20236544064. Its totient is φ = 12802795200.

The previous prime is 16161374981. The next prime is 16161375037. The reversal of 16161375025 is 52057316161.

It is not a de Polignac number, because 16161375025 - 2²³ = 16152986417 is a prime.

It is a super-2 number, since 2×16161375025² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1589859 + ... + 1599991.

It is an arithmetic number, because the mean of its divisors is an integer number (843189336).

Almost surely, 2^16161375025 is an apocalyptic number.

It is an amenable number.

16161375025 is a deficient number, since it is larger than the sum of its proper divisors (4075169039).

16161375025 is a wasteful number, since it uses less digits than its factorization.

16161375025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10761 (or 10756 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 37.

The spelling of 16161375025 in words is "sixteen billion, one hundred sixty-one million, three hundred seventy-five thousand, twenty-five".