5660617644 has 54 divisors (see below), whose sum is σ = 15727848500. Its totient is φ = 1715337360.

The previous prime is 5660617637. The next prime is 5660617661. The reversal of 5660617644 is 4467160665.

It is a super-2 number, since 2×5660617644² = 64085184223128221472, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5660617644.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 645394 + ... + 654105.

Almost surely, 2^5660617644 is an apocalyptic number.

It is an amenable number.

5660617644 is an abundant number, since it is smaller than the sum of its proper divisors (10067230856).

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

5660617644 is a wasteful number, since it uses less digits than its factorization.

5660617644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1299531 (or 1299515 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 45.

The square root of 5660617644 is about 75237.0762589828. The cubic root of 5660617644 is about 1782.1924803519.

The spelling of 5660617644 in words is "five billion, six hundred sixty million, six hundred seventeen thousand, six hundred forty-four".