162330021604 has 9 divisors (see below), whose sum is σ = 284078947971. Its totient is φ = 81164607900.

The previous prime is 162330021599. The next prime is 162330021647. The reversal of 162330021604 is 406120033261.

The square root of 162330021604 is 402902.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 705079 + ... + 906529.

Almost surely, 2^162330021604 is an apocalyptic number.

162330021604 is the 402902-nd square number.

It is an amenable number.

162330021604 is a deficient number, since it is larger than the sum of its proper divisors (121748926367).

162330021604 is an frugal number, since it uses more digits than its factorization.

162330021604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402906 (or 201453 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

Multiplying 162330021604 by its product of nonzero digits (5184), we get a square (841518831995136 = 29008944²).

Adding to 162330021604 its reverse (406120033261), we get a palindrome (568450054865).

The spelling of 162330021604 in words is "one hundred sixty-two billion, three hundred thirty million, twenty-one thousand, six hundred four".