169681693164 has 48 divisors (see below), whose sum is σ = 400105893600. Its totient is φ = 55963878400.

The previous prime is 169681693157. The next prime is 169681693361. The reversal of 169681693164 is 461396186961.

It is a junction number, because it is equal to n+sod(n) for n = 169681693098 and 169681693107.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1837162 + ... + 1927310.

It is an arithmetic number, because the mean of its divisors is an integer number (8335539450).

Almost surely, 2^169681693164 is an apocalyptic number.

It is an amenable number.

169681693164 is an abundant number, since it is smaller than the sum of its proper divisors (230424200436).

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

169681693164 is a wasteful number, since it uses less digits than its factorization.

169681693164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91810 (or 91808 counting only the distinct ones).

The product of its digits is 10077696, while the sum is 60.

The spelling of 169681693164 in words is "one hundred sixty-nine billion, six hundred eighty-one million, six hundred ninety-three thousand, one hundred sixty-four".