68057633792 has 22 divisors (see below), whose sum is σ = 136048807098. Its totient is φ = 34028816384.

The previous prime is 68057633789. The next prime is 68057633801. The reversal of 68057633792 is 29733675086.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 34530558976 + 33527074816 = 185824^2 + 183104^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33230243 + ... + 33232290.

Almost surely, 2^68057633792 is an apocalyptic number.

It is an amenable number.

68057633792 is a deficient number, since it is larger than the sum of its proper divisors (67991173306).

68057633792 is an equidigital number, since it uses as much as digits as its factorization.

68057633792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66462553 (or 66462535 counting only the distinct ones).

The product of its (nonzero) digits is 11430720, while the sum is 56.

The spelling of 68057633792 in words is "sixty-eight billion, fifty-seven million, six hundred thirty-three thousand, seven hundred ninety-two".