16004475623 has 2 divisors, whose sum is σ = 16004475624. Its totient is φ = 16004475622.

The previous prime is 16004475607. The next prime is 16004475701. The reversal of 16004475623 is 32657440061.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16004475623 - 2⁴ = 16004475607 is a prime.

It is a super-2 number, since 2×16004475623² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16004775623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8002237811 + 8002237812.

It is an arithmetic number, because the mean of its divisors is an integer number (8002237812).

Almost surely, 2^16004475623 is an apocalyptic number.

16004475623 is a deficient number, since it is larger than the sum of its proper divisors (1).

16004475623 is an equidigital number, since it uses as much as digits as its factorization.

16004475623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120960, while the sum is 38.

The spelling of 16004475623 in words is "sixteen billion, four million, four hundred seventy-five thousand, six hundred twenty-three".