6364516212 has 72 divisors (see below), whose sum is σ = 16286902632. Its totient is φ = 2095392000.

The previous prime is 6364516133. The next prime is 6364516217. The reversal of 6364516212 is 2126154636.

6364516212 is a `hidden beast` number, since 6 + 3 + 645 + 1 + 6 + 2 + 1 + 2 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 416404836 + 5948111376 = 20406^2 + 77124^2 .

It is a super-2 number, since 2×6364516212² = 81014133225621657888, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6364516217) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1674298 + ... + 1678094.

It is an arithmetic number, because the mean of its divisors is an integer number (226206981).

Almost surely, 2^6364516212 is an apocalyptic number.

It is an amenable number.

6364516212 is an abundant number, since it is smaller than the sum of its proper divisors (9922386420).

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

6364516212 is a wasteful number, since it uses less digits than its factorization.

6364516212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4369 (or 4364 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 6364516212 is about 79777.9180726095. The cubic root of 6364516212 is about 1853.1978984096.

The spelling of 6364516212 in words is "six billion, three hundred sixty-four million, five hundred sixteen thousand, two hundred twelve".