165445843914 has 48 divisors (see below), whose sum is σ = 392583391200. Its totient is φ = 50043588768.

The previous prime is 165445843907. The next prime is 165445843957. The reversal of 165445843914 is 419348544561.

165445843914 is a `hidden beast` number, since 1 + 6 + 5 + 44 + 584 + 3 + 9 + 14 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5978004 + ... + 6005615.

It is an arithmetic number, because the mean of its divisors is an integer number (8178820650).

Almost surely, 2^165445843914 is an apocalyptic number.

165445843914 is an abundant number, since it is smaller than the sum of its proper divisors (227137547286).

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

165445843914 is a wasteful number, since it uses less digits than its factorization.

165445843914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11983699 (or 11983696 counting only the distinct ones).

The product of its digits is 8294400, while the sum is 54.

The spelling of 165445843914 in words is "one hundred sixty-five billion, four hundred forty-five million, eight hundred forty-three thousand, nine hundred fourteen".