168492120801664 has 32 divisors (see below), whose sum is σ = 366183160268040. Its totient is φ = 76587327636480.

The previous prime is 168492120801623. The next prime is 168492120801721. The reversal of 168492120801664 is 466108021294861.

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 168492120801599 and 168492120801608.

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, 59833848309 + ... + 59833851124.

Almost surely, 2^{168492120801664} is an apocalyptic number.

It is an amenable number.

168492120801664 is an abundant number, since it is smaller than the sum of its proper divisors (197691039466376).

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

168492120801664 is a wasteful number, since it uses less digits than its factorization.

168492120801664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119667699458 (or 119667699446 counting only the distinct ones).

The product of its (nonzero) digits is 7962624, while the sum is 58.

The spelling of 168492120801664 in words is "one hundred sixty-eight trillion, four hundred ninety-two billion, one hundred twenty million, eight hundred one thousand, six hundred sixty-four".