68465672616 has 32 divisors (see below), whose sum is σ = 186724562400. Its totient is φ = 20747173440.

The previous prime is 68465672599. The next prime is 68465672617. The reversal of 68465672616 is 61627656486.

It is a super-2 number, since 2×68465672616² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (68465672617) 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, 129669571 + ... + 129670098.

It is an arithmetic number, because the mean of its divisors is an integer number (5835142575).

Almost surely, 2^68465672616 is an apocalyptic number.

68465672616 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

68465672616 is an abundant number, since it is smaller than the sum of its proper divisors (118258889784).

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

68465672616 is a wasteful number, since it uses less digits than its factorization.

68465672616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259339689 (or 259339685 counting only the distinct ones).

The product of its digits is 17418240, while the sum is 57.

The spelling of 68465672616 in words is "sixty-eight billion, four hundred sixty-five million, six hundred seventy-two thousand, six hundred sixteen".