4712664636 has 108 divisors (see below), whose sum is σ = 12357458568. Its totient is φ = 1514092608.

The previous prime is 4712664631. The next prime is 4712664637. The reversal of 4712664636 is 6364662174.

It is a happy number.

4712664636 is a `hidden beast` number, since 4 + 7 + 1 + 2 + 6 + 6 + 4 + 636 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 4712664591 and 4712664600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4712664631) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 5524386 + ... + 5525238.

Almost surely, 2^4712664636 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4712664636, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6178729284).

4712664636 is an abundant number, since it is smaller than the sum of its proper divisors (7644793932).

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

4712664636 is a wasteful number, since it uses less digits than its factorization.

4712664636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1032 (or 984 counting only the distinct ones).

The product of its digits is 870912, while the sum is 45.

The square root of 4712664636 is about 68648.8502161544. The cubic root of 4712664636 is about 1676.5718828268.

The spelling of 4712664636 in words is "four billion, seven hundred twelve million, six hundred sixty-four thousand, six hundred thirty-six".