16145715875 has 8 divisors (see below), whose sum is σ = 20149853568. Its totient is φ = 12916572600.

The previous prime is 16145715857. The next prime is 16145715947. The reversal of 16145715875 is 57851754161.

It is not a de Polignac number, because 16145715875 - 2¹² = 16145711779 is a prime.

It is a super-2 number, since 2×16145715875² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64582739 + ... + 64582988.

It is an arithmetic number, because the mean of its divisors is an integer number (2518731696).

Almost surely, 2^16145715875 is an apocalyptic number.

16145715875 is a deficient number, since it is larger than the sum of its proper divisors (4004137693).

16145715875 is an equidigital number, since it uses as much as digits as its factorization.

16145715875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129165742 (or 129165732 counting only the distinct ones).

The product of its digits is 1176000, while the sum is 50.

The spelling of 16145715875 in words is "sixteen billion, one hundred forty-five million, seven hundred fifteen thousand, eight hundred seventy-five".