68041660 has 24 divisors (see below), whose sum is σ = 150408720. Its totient is φ = 25784064.

The previous prime is 68041651. The next prime is 68041681. The reversal of 68041660 is 6614086.

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, 89149 + ... + 89908.

It is an arithmetic number, because the mean of its divisors is an integer number (6267030).

Almost surely, 2^68041660 is an apocalyptic number.

It is an amenable number.

68041660 is an abundant number, since it is smaller than the sum of its proper divisors (82367060).

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

68041660 is a wasteful number, since it uses less digits than its factorization.

68041660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179085 (or 179083 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 68041660 is about 8248.7368730006. The cubic root of 68041660 is about 408.2488469752.

It can be divided in two parts, 6804 and 1660, that added together give a square (8464 = 92²).

The spelling of 68041660 in words is "sixty-eight million, forty-one thousand, six hundred sixty".