68816053412 has 24 divisors (see below), whose sum is σ = 126800331840. Its totient is φ = 32588356320.

The previous prime is 68816053409. The next prime is 68816053441. The reversal of 68816053412 is 21435061886.

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, 169337 + ... + 407807.

It is an arithmetic number, because the mean of its divisors is an integer number (5283347160).

Almost surely, 2^68816053412 is an apocalyptic number.

It is an amenable number.

68816053412 is a deficient number, since it is larger than the sum of its proper divisors (57984278428).

68816053412 is a wasteful number, since it uses less digits than its factorization.

68816053412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242291 (or 242289 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 44.

The spelling of 68816053412 in words is "sixty-eight billion, eight hundred sixteen million, fifty-three thousand, four hundred twelve".