168725667 has 12 divisors (see below), whose sum is σ = 247278920. Its totient is φ = 102257760.

The previous prime is 168725657. The next prime is 168725707. The reversal of 168725667 is 766527861.

It is not a de Polignac number, because 168725667 - 2¹² = 168721571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (168725647) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 232042 + ... + 232767.

Almost surely, 2^168725667 is an apocalyptic number.

168725667 is a deficient number, since it is larger than the sum of its proper divisors (78553253).

168725667 is a wasteful number, since it uses less digits than its factorization.

168725667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464834 (or 464823 counting only the distinct ones).

The product of its digits is 846720, while the sum is 48.

The square root of 168725667 is about 12989.4444453949. Note that the first 5 decimals coincide. The cubic root of 168725667 is about 552.5781624709.

The spelling of 168725667 in words is "one hundred sixty-eight million, seven hundred twenty-five thousand, six hundred sixty-seven".