68691632010 has 32 divisors (see below), whose sum is σ = 166712281920. Its totient is φ = 18111950208.

The previous prime is 68691631997. The next prime is 68691632011. The reversal of 68691632010 is 1023619686.

It is not an unprimeable number, because it can be changed into a prime (68691632011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12860932 + ... + 12866271.

It is an arithmetic number, because the mean of its divisors is an integer number (5209758810).

Almost surely, 2^68691632010 is an apocalyptic number.

68691632010 is an abundant number, since it is smaller than the sum of its proper divisors (98020649910).

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

68691632010 is a wasteful number, since it uses less digits than its factorization.

68691632010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25727302.

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

The spelling of 68691632010 in words is "sixty-eight billion, six hundred ninety-one million, six hundred thirty-two thousand, ten".