16557472633125 has 80 divisors (see below), whose sum is σ = 28103262327360. Its totient is φ = 8665901568000.

The previous prime is 16557472633111. The next prime is 16557472633151. The reversal of 16557472633125 is 52133627475561.

It is not a de Polignac number, because 16557472633125 - 2²¹ = 16557470535973 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 63700927 + ... + 63960323.

It is an arithmetic number, because the mean of its divisors is an integer number (351290779092).

Almost surely, 2^{16557472633125} is an apocalyptic number.

16557472633125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16557472633125 is a deficient number, since it is larger than the sum of its proper divisors (11545789694235).

16557472633125 is an equidigital number, since it uses as much as digits as its factorization.

16557472633125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260056 (or 260041 counting only the distinct ones).

The product of its digits is 31752000, while the sum is 57.

The spelling of 16557472633125 in words is "sixteen trillion, five hundred fifty-seven billion, four hundred seventy-two million, six hundred thirty-three thousand, one hundred twenty-five".