3162121564 has 24 divisors (see below), whose sum is σ = 6369749120. Its totient is φ = 1345443696.

The previous prime is 3162121561. The next prime is 3162121621. The reversal of 3162121564 is 4651212613.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3162121561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 402342 + ... + 410125.

Almost surely, 2^3162121564 is an apocalyptic number.

It is an amenable number.

3162121564 is an abundant number, since it is smaller than the sum of its proper divisors (3207627556).

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

3162121564 is a wasteful number, since it uses less digits than its factorization.

3162121564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 812617 (or 812615 counting only the distinct ones).

The product of its digits is 8640, while the sum is 31.

The square root of 3162121564 is about 56232.7445888959. The cubic root of 3162121564 is about 1467.7751160836.

The spelling of 3162121564 in words is "three billion, one hundred sixty-two million, one hundred twenty-one thousand, five hundred sixty-four".