60645978624 has 160 divisors (see below), whose sum is σ = 201431678976. Its totient is φ = 15752171520.

The previous prime is 60645978583. The next prime is 60645978641. The reversal of 60645978624 is 42687954606.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138112 + ... + 374655.

Almost surely, 2^60645978624 is an apocalyptic number.

60645978624 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

60645978624 is an abundant number, since it is smaller than the sum of its proper divisors (140785700352).

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

60645978624 is a wasteful number, since it uses less digits than its factorization.

60645978624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512806 (or 512790 counting only the distinct ones).

The product of its (nonzero) digits is 17418240, while the sum is 57.

The spelling of 60645978624 in words is "sixty billion, six hundred forty-five million, nine hundred seventy-eight thousand, six hundred twenty-four".