5646591672 has 32 divisors (see below), whose sum is σ = 14147946000. Its totient is φ = 1878001664.

The previous prime is 5646591649. The next prime is 5646591673. The reversal of 5646591672 is 2761956465.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5646591673) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 251223 + ... + 272774.

Almost surely, 2^5646591672 is an apocalyptic number.

It is an amenable number.

5646591672 is an abundant number, since it is smaller than the sum of its proper divisors (8501354328).

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

5646591672 is a wasteful number, since it uses less digits than its factorization.

5646591672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524455 (or 524451 counting only the distinct ones).

The product of its digits is 2721600, while the sum is 51.

The square root of 5646591672 is about 75143.8066110574. The cubic root of 5646591672 is about 1780.7192809093.

The spelling of 5646591672 in words is "five billion, six hundred forty-six million, five hundred ninety-one thousand, six hundred seventy-two".