68102721160 has 32 divisors (see below), whose sum is σ = 153452937600. Its totient is φ = 27201654720.

The previous prime is 68102721151. The next prime is 68102721161. The reversal of 68102721160 is 6112720186.

It is not an unprimeable number, because it can be changed into a prime (68102721161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1204320 + ... + 1259599.

It is an arithmetic number, because the mean of its divisors is an integer number (4795404300).

Almost surely, 2^68102721160 is an apocalyptic number.

It is an amenable number.

68102721160 is an abundant number, since it is smaller than the sum of its proper divisors (85350216440).

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

68102721160 is a wasteful number, since it uses less digits than its factorization.

68102721160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2464621 (or 2464617 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 34.

The spelling of 68102721160 in words is "sixty-eight billion, one hundred two million, seven hundred twenty-one thousand, one hundred sixty".