68698271052 has 36 divisors (see below), whose sum is σ = 173748150576. Its totient is φ = 22887003360.

The previous prime is 68698271051. The next prime is 68698271099. The reversal of 68698271052 is 25017289686.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×68698271052² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 68698271052.

It is not an unprimeable number, because it can be changed into a prime (68698271051) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 450099 + ... + 583082.

It is an arithmetic number, because the mean of its divisors is an integer number (4826337516).

Almost surely, 2^68698271052 is an apocalyptic number.

It is an amenable number.

68698271052 is an abundant number, since it is smaller than the sum of its proper divisors (105049879524).

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

68698271052 is a wasteful number, since it uses less digits than its factorization.

68698271052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1035038 (or 1035033 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 54.

The spelling of 68698271052 in words is "sixty-eight billion, six hundred ninety-eight million, two hundred seventy-one thousand, fifty-two".