61994682504 has 32 divisors (see below), whose sum is σ = 172207452000. Its totient is φ = 20664894096.

The previous prime is 61994682499. The next prime is 61994682559. The reversal of 61994682504 is 40528649916.

61994682504 is a `hidden beast` number, since 6 + 1 + 99 + 46 + 8 + 2 + 504 = 666.

61994682504 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143505994 + ... + 143506425.

It is an arithmetic number, because the mean of its divisors is an integer number (5381482875).

Almost surely, 2^61994682504 is an apocalyptic number.

It is an amenable number.

61994682504 is an abundant number, since it is smaller than the sum of its proper divisors (110212769496).

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

61994682504 is a wasteful number, since it uses less digits than its factorization.

61994682504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287012434 (or 287012424 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 54.

The spelling of 61994682504 in words is "sixty-one billion, nine hundred ninety-four million, six hundred eighty-two thousand, five hundred four".