168696064 has 18 divisors (see below), whose sum is σ = 336733670. Its totient is φ = 84347904.

The previous prime is 168696043. The next prime is 168696091. The reversal of 168696064 is 460696861.

It can be written as a sum of positive squares in only one way, i.e., 158961664 + 9734400 = 12608^2 + 3120^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 329229 + ... + 329740.

Almost surely, 2^168696064 is an apocalyptic number.

It is an amenable number.

168696064 is a deficient number, since it is larger than the sum of its proper divisors (168037606).

168696064 is an frugal number, since it uses more digits than its factorization.

168696064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 658985 (or 658971 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 46.

The square root of 168696064 is about 12988.3048932492. The cubic root of 168696064 is about 552.5458438786.

The spelling of 168696064 in words is "one hundred sixty-eight million, six hundred ninety-six thousand, sixty-four".