16625623153506 has 8 divisors (see below), whose sum is σ = 33251246307024. Its totient is φ = 5541874384500.

The previous prime is 16625623153499. The next prime is 16625623153511. The reversal of 16625623153506 is 60535132652661.

It is a sphenic number, since it is the product of 3 distinct primes.

16625623153506 is an admirable number.

It is a super-2 number, since 2×16625623153506² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1385468596120 + ... + 1385468596131.

It is an arithmetic number, because the mean of its divisors is an integer number (4156405788378).

Almost surely, 2^{16625623153506} is an apocalyptic number.

16625623153506 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16625623153506 is a wasteful number, since it uses less digits than its factorization.

16625623153506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2770937192256.

The product of its (nonzero) digits is 5832000, while the sum is 51.

The spelling of 16625623153506 in words is "sixteen trillion, six hundred twenty-five billion, six hundred twenty-three million, one hundred fifty-three thousand, five hundred six".