6124321656 has 64 divisors (see below), whose sum is σ = 17044970400. Its totient is φ = 2037484800.

The previous prime is 6124321649. The next prime is 6124321673. The reversal of 6124321656 is 6561234216.

6124321656 is a `hidden beast` number, since 61 + 2 + 432 + 165 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 6124321656.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85326 + ... + 139746.

Almost surely, 2^6124321656 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 6124321656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8522485200).

6124321656 is an abundant number, since it is smaller than the sum of its proper divisors (10920648744).

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

6124321656 is a wasteful number, since it uses less digits than its factorization.

6124321656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54957 (or 54947 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 6124321656 is about 78258.0453116483. The cubic root of 6124321656 is about 1829.5853078083.

The spelling of 6124321656 in words is "six billion, one hundred twenty-four million, three hundred twenty-one thousand, six hundred fifty-six".