162645204 has 12 divisors (see below), whose sum is σ = 379505504. Its totient is φ = 54215064.

The previous prime is 162645193. The next prime is 162645209. The reversal of 162645204 is 402546261.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162645209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6776872 + ... + 6776895.

Almost surely, 2^162645204 is an apocalyptic number.

It is an amenable number.

162645204 is an abundant number, since it is smaller than the sum of its proper divisors (216860300).

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

162645204 is a wasteful number, since it uses less digits than its factorization.

162645204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13553774 (or 13553772 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 162645204 is about 12753.2428817144. The cubic root of 162645204 is about 545.8589312057.

The spelling of 162645204 in words is "one hundred sixty-two million, six hundred forty-five thousand, two hundred four".