63166621672374 has 32 divisors (see below), whose sum is σ = 138539644323840. Its totient is φ = 19041183746400.

The previous prime is 63166621672223. The next prime is 63166621672397. The reversal of 63166621672374 is 47327612666136.

63166621672374 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2505406309 + ... + 2505431520.

It is an arithmetic number, because the mean of its divisors is an integer number (4329363885120).

Almost surely, 2^{63166621672374} is an apocalyptic number.

63166621672374 is an abundant number, since it is smaller than the sum of its proper divisors (75373022651466).

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

63166621672374 is a wasteful number, since it uses less digits than its factorization.

63166621672374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5010838036.

The product of its digits is 54867456, while the sum is 60.

The spelling of 63166621672374 in words is "sixty-three trillion, one hundred sixty-six billion, six hundred twenty-one million, six hundred seventy-two thousand, three hundred seventy-four".