16723125603 has 12 divisors (see below), whose sum is σ = 24446658600. Its totient is φ = 11014427616.

The previous prime is 16723125599. The next prime is 16723125619. The reversal of 16723125603 is 30652132761.

16723125603 is a `hidden beast` number, since 1 + 6 + 7 + 23 + 1 + 25 + 603 = 666.

It is not a de Polignac number, because 16723125603 - 2² = 16723125599 is a prime.

It is a super-2 number, since 2×16723125603² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16723125673) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11192778 + ... + 11194271.

It is an arithmetic number, because the mean of its divisors is an integer number (2037221550).

Almost surely, 2^16723125603 is an apocalyptic number.

16723125603 is a deficient number, since it is larger than the sum of its proper divisors (7723532997).

16723125603 is a wasteful number, since it uses less digits than its factorization.

16723125603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22387138 (or 22387135 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The spelling of 16723125603 in words is "sixteen billion, seven hundred twenty-three million, one hundred twenty-five thousand, six hundred three".