68925136896 has 1120 divisors, whose sum is σ = 274039096320. Its totient is φ = 16721510400.

The previous prime is 68925136883. The next prime is 68925136913. The reversal of 68925136896 is 69863152986.

It is a super-2 number, since 2×68925136896² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 970776541 + ... + 970776611.

Almost surely, 2^68925136896 is an apocalyptic number.

68925136896 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68925136896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137019548160).

68925136896 is an abundant number, since it is smaller than the sum of its proper divisors (205113959424).

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

68925136896 is a wasteful number, since it uses less digits than its factorization.

68925136896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146 (or 113 counting only the distinct ones).

The product of its digits is 33592320, while the sum is 63.

The spelling of 68925136896 in words is "sixty-eight billion, nine hundred twenty-five million, one hundred thirty-six thousand, eight hundred ninety-six".