3101664636 has 96 divisors (see below), whose sum is σ = 9303759360. Its totient is φ = 886172400.

The previous prime is 3101664619. The next prime is 3101664641. The reversal of 3101664636 is 6364661013.

3101664636 is a `hidden beast` number, since 3 + 1 + 0 + 1 + 6 + 646 + 3 + 6 = 666.

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

It is a self number, because there is not a number n which added to its sum of digits gives 3101664636.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35911 + ... + 86561.

It is an arithmetic number, because the mean of its divisors is an integer number (96914160).

Almost surely, 2^3101664636 is an apocalyptic number.

3101664636 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3101664636, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4651879680).

3101664636 is an abundant number, since it is smaller than the sum of its proper divisors (6202094724).

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

3101664636 is an equidigital number, since it uses as much as digits as its factorization.

3101664636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50683 (or 50663 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 36.

The square root of 3101664636 is about 55692.5904946071. The cubic root of 3101664636 is about 1458.3606789437.

The spelling of 3101664636 in words is "three billion, one hundred one million, six hundred sixty-four thousand, six hundred thirty-six".