5997648861 has 16 divisors (see below), whose sum is σ = 8930064000. Its totient is φ = 3978336384.

The previous prime is 5997648823. The next prime is 5997648869. The reversal of 5997648861 is 1688467995.

5997648861 is a `hidden beast` number, since 5 + 9 + 97 + 6 + 488 + 61 = 666.

5997648861 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 5997648861 - 2¹¹ = 5997646813 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5997648869) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 552756 + ... + 563501.

It is an arithmetic number, because the mean of its divisors is an integer number (558129000).

Almost surely, 2^5997648861 is an apocalyptic number.

It is an amenable number.

5997648861 is a deficient number, since it is larger than the sum of its proper divisors (2932415139).

5997648861 is a wasteful number, since it uses less digits than its factorization.

5997648861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1116465 (or 1116459 counting only the distinct ones).

The product of its digits is 26127360, while the sum is 63.

The square root of 5997648861 is about 77444.4889001148. The cubic root of 5997648861 is about 1816.8832116511.

The spelling of 5997648861 in words is "five billion, nine hundred ninety-seven million, six hundred forty-eight thousand, eight hundred sixty-one".