75320908616 has 16 divisors (see below), whose sum is σ = 142813521900. Its totient is φ = 37237302784.

The previous prime is 75320908609. The next prime is 75320908627. The reversal of 75320908616 is 61680902357.

It can be written as a sum of positive squares in 2 ways, for example, as 75210868516 + 110040100 = 274246^2 + 10490^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52893185 + ... + 52894608.

Almost surely, 2^75320908616 is an apocalyptic number.

It is an amenable number.

75320908616 is a deficient number, since it is larger than the sum of its proper divisors (67492613284).

75320908616 is a wasteful number, since it uses less digits than its factorization.

75320908616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105787888 (or 105787884 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 47.

The spelling of 75320908616 in words is "seventy-five billion, three hundred twenty million, nine hundred eight thousand, six hundred sixteen".