165656051496 has 96 divisors (see below), whose sum is σ = 483428192520. Its totient is φ = 50943168000.

The previous prime is 165656051471. The next prime is 165656051521. The reversal of 165656051496 is 694150656561.

165656051496 is a `hidden beast` number, since 1 + 6 + 5 + 65 + 60 + 514 + 9 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (165656051471) and next prime (165656051521).

It can be written as a sum of positive squares in 4 ways, for example, as 37370302596 + 128285748900 = 193314^2 + 358170^2 .

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, 1694346 + ... + 1789446.

Almost surely, 2^165656051496 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 165656051496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (241714096260).

165656051496 is an abundant number, since it is smaller than the sum of its proper divisors (317772141024).

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

165656051496 is a wasteful number, since it uses less digits than its factorization.

165656051496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96987 (or 96980 counting only the distinct ones).

The product of its (nonzero) digits is 5832000, while the sum is 54.

The spelling of 165656051496 in words is "one hundred sixty-five billion, six hundred fifty-six million, fifty-one thousand, four hundred ninety-six".