5631767646 has 32 divisors (see below), whose sum is σ = 11500097280. Its totient is φ = 1838199744.

The previous prime is 5631767639. The next prime is 5631767671. The reversal of 5631767646 is 6467671365.

It is a happy number.

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, 14631 + ... + 107133.

It is an arithmetic number, because the mean of its divisors is an integer number (359378040).

Almost surely, 2^5631767646 is an apocalyptic number.

5631767646 is an abundant number, since it is smaller than the sum of its proper divisors (5868329634).

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

5631767646 is a wasteful number, since it uses less digits than its factorization.

5631767646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92720.

The product of its digits is 3810240, while the sum is 51.

The square root of 5631767646 is about 75045.1040774813. The cubic root of 5631767646 is about 1779.1596047577.

The spelling of 5631767646 in words is "five billion, six hundred thirty-one million, seven hundred sixty-seven thousand, six hundred forty-six".