68238660 has 48 divisors (see below), whose sum is σ = 218365056. Its totient is φ = 15597312.

The previous prime is 68238649. The next prime is 68238691. The reversal of 68238660 is 6683286.

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, 80817 + ... + 81656.

It is an arithmetic number, because the mean of its divisors is an integer number (4549272).

Almost surely, 2^68238660 is an apocalyptic number.

68238660 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

68238660 is an abundant number, since it is smaller than the sum of its proper divisors (150126396).

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

68238660 is a wasteful number, since it uses less digits than its factorization.

68238660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162492 (or 162490 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 39.

The square root of 68238660 is about 8260.6694643957. The cubic root of 68238660 is about 408.6424662650.

The spelling of 68238660 in words is "sixty-eight million, two hundred thirty-eight thousand, six hundred sixty".