3564620355564 has 96 divisors (see below), whose sum is σ = 9302682970560. Its totient is φ = 1180357940736.

The previous prime is 3564620355511. The next prime is 3564620355599. The reversal of 3564620355564 is 4655530264653.

It is a happy number.

3564620355564 is a `hidden beast` number, since 3 + 5 + 6 + 4 + 6 + 20 + 3 + 55 + 564 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 3564620355564.

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, 78602304 + ... + 78647640.

It is an arithmetic number, because the mean of its divisors is an integer number (96902947610).

Almost surely, 2^{3564620355564} 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 3564620355564, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4651341485280).

3564620355564 is an abundant number, since it is smaller than the sum of its proper divisors (5738062614996).

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

3564620355564 is a wasteful number, since it uses less digits than its factorization.

3564620355564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50144 (or 50136 counting only the distinct ones).

The product of its (nonzero) digits is 38880000, while the sum is 54.

The spelling of 3564620355564 in words is "three trillion, five hundred sixty-four billion, six hundred twenty million, three hundred fifty-five thousand, five hundred sixty-four".