16632552375 has 48 divisors (see below), whose sum is σ = 29998549152. Its totient is φ = 8866080000.

The previous prime is 16632552337. The next prime is 16632552389. The reversal of 16632552375 is 57325523661.

16632552375 is a `hidden beast` number, since 1 + 6 + 63 + 2 + 552 + 37 + 5 = 666.

It is not a de Polignac number, because 16632552375 - 2⁶ = 16632552311 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 16632552375.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4229160 + ... + 4233090.

It is an arithmetic number, because the mean of its divisors is an integer number (624969774).

Almost surely, 2^16632552375 is an apocalyptic number.

16632552375 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

16632552375 is a deficient number, since it is larger than the sum of its proper divisors (13365996777).

16632552375 is a wasteful number, since it uses less digits than its factorization.

16632552375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7713 (or 7700 counting only the distinct ones).

The product of its digits is 1134000, while the sum is 45.

The spelling of 16632552375 in words is "sixteen billion, six hundred thirty-two million, five hundred fifty-two thousand, three hundred seventy-five".