68716168 has 8 divisors (see below), whose sum is σ = 128842830. Its totient is φ = 34358080.

The previous prime is 68716163. The next prime is 68716169. The reversal of 68716168 is 86161786.

It can be written as a sum of positive squares in only one way, i.e., 42276004 + 26440164 = 6502^2 + 5142^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (68716163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4294753 + ... + 4294768.

Almost surely, 2^68716168 is an apocalyptic number.

It is an amenable number.

68716168 is a deficient number, since it is larger than the sum of its proper divisors (60126662).

68716168 is a wasteful number, since it uses less digits than its factorization.

68716168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8589527 (or 8589523 counting only the distinct ones).

The product of its digits is 96768, while the sum is 43.

The square root of 68716168 is about 8289.5215784748. The cubic root of 68716168 is about 409.5934260267.

The spelling of 68716168 in words is "sixty-eight million, seven hundred sixteen thousand, one hundred sixty-eight".