167713668 has 18 divisors (see below), whose sum is σ = 423942974. Its totient is φ = 55904544.

The previous prime is 167713661. The next prime is 167713681. The reversal of 167713668 is 866317761.

It can be written as a sum of positive squares in only one way, i.e., 91814724 + 75898944 = 9582^2 + 8712^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (167713661) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2329321 + ... + 2329392.

Almost surely, 2^167713668 is an apocalyptic number.

167713668 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

167713668 is an abundant number, since it is smaller than the sum of its proper divisors (256229306).

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

167713668 is a wasteful number, since it uses less digits than its factorization.

167713668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4658723 (or 4658718 counting only the distinct ones).

The product of its digits is 254016, while the sum is 45.

The square root of 167713668 is about 12950.4311897326. The cubic root of 167713668 is about 551.4711775386.

The spelling of 167713668 in words is "one hundred sixty-seven million, seven hundred thirteen thousand, six hundred sixty-eight".