75757349168 has 40 divisors (see below), whose sum is σ = 150337542960. Its totient is φ = 36970940160.

The previous prime is 75757349141. The next prime is 75757349179. The reversal of 75757349168 is 86194375757.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 75757349168.

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, 207323 + ... + 441018.

It is an arithmetic number, because the mean of its divisors is an integer number (3758438574).

Almost surely, 2^75757349168 is an apocalyptic number.

It is an amenable number.

75757349168 is a deficient number, since it is larger than the sum of its proper divisors (74580193792).

75757349168 is a wasteful number, since it uses less digits than its factorization.

75757349168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648525 (or 648519 counting only the distinct ones).

The product of its digits is 44452800, while the sum is 62.

The spelling of 75757349168 in words is "seventy-five billion, seven hundred fifty-seven million, three hundred forty-nine thousand, one hundred sixty-eight".