68166994 has 16 divisors (see below), whose sum is σ = 120888000. Its totient is φ = 28206864.

The previous prime is 68166979. The next prime is 68167037. The reversal of 68166994 is 49966186.

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, 83544 + ... + 84355.

It is an arithmetic number, because the mean of its divisors is an integer number (7555500).

Almost surely, 2^68166994 is an apocalyptic number.

68166994 is a deficient number, since it is larger than the sum of its proper divisors (52721006).

68166994 is a wasteful number, since it uses less digits than its factorization.

68166994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167937.

The product of its digits is 559872, while the sum is 49.

The square root of 68166994 is about 8256.3305408638. The cubic root of 68166994 is about 408.4993605378.

The spelling of 68166994 in words is "sixty-eight million, one hundred sixty-six thousand, nine hundred ninety-four".