68339622328 has 16 divisors (see below), whose sum is σ = 135674250480. Its totient is φ = 32159822208.

The previous prime is 68339622293. The next prime is 68339622341. The reversal of 68339622328 is 82322693386.

It is a happy number.

It is a super-2 number, since 2×68339622328² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 251248476 + ... + 251248747.

It is an arithmetic number, because the mean of its divisors is an integer number (8479640655).

Almost surely, 2^68339622328 is an apocalyptic number.

68339622328 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

68339622328 is a deficient number, since it is larger than the sum of its proper divisors (67334628152).

68339622328 is a wasteful number, since it uses less digits than its factorization.

68339622328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502497246 (or 502497242 counting only the distinct ones).

The product of its digits is 4478976, while the sum is 52.

The spelling of 68339622328 in words is "sixty-eight billion, three hundred thirty-nine million, six hundred twenty-two thousand, three hundred twenty-eight".