68691306210 has 32 divisors (see below), whose sum is σ = 164954940480. Its totient is φ = 18307036608.

The previous prime is 68691306161. The next prime is 68691306239. The reversal of 68691306210 is 1260319686.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 612765 + ... + 716144.

It is an arithmetic number, because the mean of its divisors is an integer number (5154841890).

Almost surely, 2^68691306210 is an apocalyptic number.

68691306210 is an abundant number, since it is smaller than the sum of its proper divisors (96263634270).

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

68691306210 is a wasteful number, since it uses less digits than its factorization.

68691306210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1330642.

The product of its (nonzero) digits is 93312, while the sum is 42.

The spelling of 68691306210 in words is "sixty-eight billion, six hundred ninety-one million, three hundred six thousand, two hundred ten".