5600661651 has 20 divisors (see below), whose sum is σ = 9009992992. Its totient is φ = 3446560368.

The previous prime is 5600661637. The next prime is 5600661659. The reversal of 5600661651 is 1561660065.

It is not a de Polignac number, because 5600661651 - 2⁷ = 5600661523 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5600661659) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2658331 + ... + 2660436.

Almost surely, 2^5600661651 is an apocalyptic number.

5600661651 is a deficient number, since it is larger than the sum of its proper divisors (3409331341).

5600661651 is a wasteful number, since it uses less digits than its factorization.

5600661651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5318792 (or 5318783 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 5600661651 is about 74837.5684466031. The cubic root of 5600661651 is about 1775.8779391322.

The spelling of 5600661651 in words is "five billion, six hundred million, six hundred sixty-one thousand, six hundred fifty-one".