61924072554 has 24 divisors (see below), whose sum is σ = 134173734240. Its totient is φ = 20640602088.

The previous prime is 61924072549. The next prime is 61924072577. The reversal of 61924072554 is 45527042916.

61924072554 is a `hidden beast` number, since 6 + 1 + 9 + 24 + 0 + 72 + 554 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 678657 + ... + 764475.

It is an arithmetic number, because the mean of its divisors is an integer number (5590572260).

Almost surely, 2^61924072554 is an apocalyptic number.

61924072554 is an abundant number, since it is smaller than the sum of its proper divisors (72249661686).

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

61924072554 is a wasteful number, since it uses less digits than its factorization.

61924072554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125914 (or 125911 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 45.

The spelling of 61924072554 in words is "sixty-one billion, nine hundred twenty-four million, seventy-two thousand, five hundred fifty-four".