165047004 has 48 divisors (see below), whose sum is σ = 442663200. Its totient is φ = 53117568.

The previous prime is 165046993. The next prime is 165047021. The reversal of 165047004 is 400740561.

165047004 is a `hidden beast` number, since 1 + 650 + 4 + 7 + 0 + 0 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

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, 23217 + ... + 29480.

It is an arithmetic number, because the mean of its divisors is an integer number (9222150).

Almost surely, 2^165047004 is an apocalyptic number.

It is an amenable number.

165047004 is an abundant number, since it is smaller than the sum of its proper divisors (277616196).

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

165047004 is a wasteful number, since it uses less digits than its factorization.

165047004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52739 (or 52731 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 165047004 is about 12847.0620765995. The cubic root of 165047004 is about 548.5327326918.

Adding to 165047004 its reverse (400740561), we get a palindrome (565787565).

The spelling of 165047004 in words is "one hundred sixty-five million, forty-seven thousand, four".