168684267968 has 28 divisors (see below), whose sum is σ = 334752845352. Its totient is φ = 84337094400.

The previous prime is 168684267931. The next prime is 168684268061. The reversal of 168684267968 is 869762486861.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1149143 + ... + 1287593.

Almost surely, 2^168684267968 is an apocalyptic number.

It is an amenable number.

168684267968 is a deficient number, since it is larger than the sum of its proper divisors (166068577384).

168684267968 is a wasteful number, since it uses less digits than its factorization.

168684267968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157500 (or 157490 counting only the distinct ones).

The product of its digits is 334430208, while the sum is 71.

The spelling of 168684267968 in words is "one hundred sixty-eight billion, six hundred eighty-four million, two hundred sixty-seven thousand, nine hundred sixty-eight".