68213502132 has 24 divisors (see below), whose sum is σ = 159170254656. Its totient is φ = 22737060288.

The previous prime is 68213502103. The next prime is 68213502169. The reversal of 68213502132 is 23120531286.

It is a super-2 number, since 2×68213502132² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 68213502093 and 68213502102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 354993 + ... + 512295.

It is an arithmetic number, because the mean of its divisors is an integer number (6632093944).

Almost surely, 2^68213502132 is an apocalyptic number.

It is an amenable number.

68213502132 is an abundant number, since it is smaller than the sum of its proper divisors (90956752524).

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

68213502132 is a wasteful number, since it uses less digits than its factorization.

68213502132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193447 (or 193445 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The spelling of 68213502132 in words is "sixty-eight billion, two hundred thirteen million, five hundred two thousand, one hundred thirty-two".