165764476152 has 96 divisors (see below), whose sum is σ = 491051808000. Its totient is φ = 50099031360.

The previous prime is 165764476139. The next prime is 165764476181. The reversal of 165764476152 is 251674467561.

165764476152 is a `hidden beast` number, since 1 + 6 + 576 + 4 + 4 + 7 + 61 + 5 + 2 = 666.

It is a congruent number.

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, 24049 + ... + 576287.

It is an arithmetic number, because the mean of its divisors is an integer number (5115123000).

Almost surely, 2^165764476152 is an apocalyptic number.

165764476152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 165764476152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (245525904000).

165764476152 is an abundant number, since it is smaller than the sum of its proper divisors (325287331848).

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

165764476152 is a wasteful number, since it uses less digits than its factorization.

165764476152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552641 (or 552634 counting only the distinct ones).

The product of its digits is 8467200, while the sum is 54.

The spelling of 165764476152 in words is "one hundred sixty-five billion, seven hundred sixty-four million, four hundred seventy-six thousand, one hundred fifty-two".