165733000506 has 20 divisors (see below), whose sum is σ = 371364686682. Its totient is φ = 55244333448.

The previous prime is 165733000501. The next prime is 165733000507. The reversal of 165733000506 is 605000337561.

It is a happy number.

165733000506 is a `hidden beast` number, since 1 + 6 + 573 + 30 + 0 + 0 + 50 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 153871830225 + 11861170281 = 392265^2 + 108909^2 .

It is not an unprimeable number, because it can be changed into a prime (165733000501) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 511521445 + ... + 511521768.

Almost surely, 2^165733000506 is an apocalyptic number.

165733000506 is an abundant number, since it is smaller than the sum of its proper divisors (205631686176).

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

165733000506 is a wasteful number, since it uses less digits than its factorization.

165733000506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1023043227 (or 1023043218 counting only the distinct ones).

The product of its (nonzero) digits is 56700, while the sum is 36.

The spelling of 165733000506 in words is "one hundred sixty-five billion, seven hundred thirty-three million, five hundred six", and thus it is an aban number.