16623075875 has 64 divisors (see below), whose sum is σ = 24358973184. Its totient is φ = 11088000000.

The previous prime is 16623075871. The next prime is 16623075883. The reversal of 16623075875 is 57857032661.

It is not a de Polignac number, because 16623075875 - 2² = 16623075871 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16623075871) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 23713025 + ... + 23713725.

It is an arithmetic number, because the mean of its divisors is an integer number (380608956).

Almost surely, 2^16623075875 is an apocalyptic number.

16623075875 is a deficient number, since it is larger than the sum of its proper divisors (7735897309).

16623075875 is an equidigital number, since it uses as much as digits as its factorization.

16623075875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1425 (or 1415 counting only the distinct ones).

The product of its (nonzero) digits is 2116800, while the sum is 50.

The spelling of 16623075875 in words is "sixteen billion, six hundred twenty-three million, seventy-five thousand, eight hundred seventy-five".