60751561680 has 100 divisors (see below), whose sum is σ = 210999196452. Its totient is φ = 16200414720.

The previous prime is 60751561639. The next prime is 60751561697. The reversal of 60751561680 is 8616515706.

60751561680 is a `hidden beast` number, since 6 + 0 + 7 + 5 + 1 + 561 + 6 + 80 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 8937055296 + 51814506384 = 94536^2 + 227628^2 .

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4681141 + ... + 4694100.

Almost surely, 2^60751561680 is an apocalyptic number.

60751561680 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

60751561680 is an abundant number, since it is smaller than the sum of its proper divisors (150247634772).

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

60751561680 is a wasteful number, since it uses less digits than its factorization.

60751561680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9375266 (or 9375251 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 45.

The spelling of 60751561680 in words is "sixty billion, seven hundred fifty-one million, five hundred sixty-one thousand, six hundred eighty".