168132967664 has 20 divisors (see below), whose sum is σ = 325766125080. Its totient is φ = 84064290240.

The previous prime is 168132967663. The next prime is 168132967679. The reversal of 168132967664 is 466769231861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168132967663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 622907 + ... + 851045.

It is an arithmetic number, because the mean of its divisors is an integer number (16288306254).

Almost surely, 2^168132967664 is an apocalyptic number.

It is an amenable number.

168132967664 is a deficient number, since it is larger than the sum of its proper divisors (157633157416).

168132967664 is a wasteful number, since it uses less digits than its factorization.

168132967664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274208 (or 274202 counting only the distinct ones).

The product of its digits is 15676416, while the sum is 59.

The spelling of 168132967664 in words is "one hundred sixty-eight billion, one hundred thirty-two million, nine hundred sixty-seven thousand, six hundred sixty-four".