16123528172 has 24 divisors (see below), whose sum is σ = 30392742912. Its totient is φ = 7462501200.

The previous prime is 16123528163. The next prime is 16123528181. The reversal of 16123528172 is 27182532161.

It is an interprime number because it is at equal distance from previous prime (16123528163) and next prime (16123528181).

It is a super-3 number, since 3×16123528172³ (a number of 32 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

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, 2823854 + ... + 2829557.

It is an arithmetic number, because the mean of its divisors is an integer number (1266364288).

Almost surely, 2^16123528172 is an apocalyptic number.

It is an amenable number.

16123528172 is a deficient number, since it is larger than the sum of its proper divisors (14269214740).

16123528172 is a wasteful number, since it uses less digits than its factorization.

16123528172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5653469 (or 5653467 counting only the distinct ones).

The product of its digits is 40320, while the sum is 38.

The spelling of 16123528172 in words is "sixteen billion, one hundred twenty-three million, five hundred twenty-eight thousand, one hundred seventy-two".