16625567623 has 16 divisors (see below), whose sum is σ = 19618836480. Its totient is φ = 13787092800.

The previous prime is 16625567611. The next prime is 16625567633. The reversal of 16625567623 is 32676552661.

It is a cyclic number.

It is not a de Polignac number, because 16625567623 - 2⁵ = 16625567591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16625567633) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1053078 + ... + 1068748.

It is an arithmetic number, because the mean of its divisors is an integer number (1226177280).

Almost surely, 2^16625567623 is an apocalyptic number.

16625567623 is a deficient number, since it is larger than the sum of its proper divisors (2993268857).

16625567623 is a wasteful number, since it uses less digits than its factorization.

16625567623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20598.

The product of its digits is 2721600, while the sum is 49.

The spelling of 16625567623 in words is "sixteen billion, six hundred twenty-five million, five hundred sixty-seven thousand, six hundred twenty-three".