68858472152 has 16 divisors (see below), whose sum is σ = 130095207000. Its totient is φ = 34166416960.

The previous prime is 68858472139. The next prime is 68858472167. The reversal of 68858472152 is 25127485886.

It is a super-2 number, since 2×68858472152² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32851277 + ... + 32853372.

Almost surely, 2^68858472152 is an apocalyptic number.

It is an amenable number.

68858472152 is a deficient number, since it is larger than the sum of its proper divisors (61236734848).

68858472152 is a wasteful number, since it uses less digits than its factorization.

68858472152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65704786 (or 65704782 counting only the distinct ones).

The product of its digits is 8601600, while the sum is 56.

The spelling of 68858472152 in words is "sixty-eight billion, eight hundred fifty-eight million, four hundred seventy-two thousand, one hundred fifty-two".