3164821872 has 40 divisors (see below), whose sum is σ = 8274303744. Its totient is φ = 1042229184.

The previous prime is 3164821861. The next prime is 3164821879. The reversal of 3164821872 is 2781284613.

3164821872 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3164821879) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 393208 + ... + 401175.

Almost surely, 2^3164821872 is an apocalyptic number.

It is an amenable number.

3164821872 is an abundant number, since it is smaller than the sum of its proper divisors (5109481872).

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

3164821872 is a wasteful number, since it uses less digits than its factorization.

3164821872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 794477 (or 794471 counting only the distinct ones).

The product of its digits is 129024, while the sum is 42.

The square root of 3164821872 is about 56256.7495683851. The cubic root of 3164821872 is about 1468.1928016092.

The spelling of 3164821872 in words is "three billion, one hundred sixty-four million, eight hundred twenty-one thousand, eight hundred seventy-two".