6631400466 has 24 divisors (see below), whose sum is σ = 14395527120. Its totient is φ = 2206237176.

The previous prime is 6631400429. The next prime is 6631400527. The reversal of 6631400466 is 6640041366.

It is a self number, because there is not a number n which added to its sum of digits gives 6631400466.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 342796 + ... + 361623.

It is an arithmetic number, because the mean of its divisors is an integer number (599813630).

Almost surely, 2^6631400466 is an apocalyptic number.

6631400466 is an abundant number, since it is smaller than the sum of its proper divisors (7764126654).

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

6631400466 is a wasteful number, since it uses less digits than its factorization.

6631400466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 704950 (or 704947 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

The square root of 6631400466 is about 81433.4112388766. The cubic root of 6631400466 is about 1878.7475121049.

The spelling of 6631400466 in words is "six billion, six hundred thirty-one million, four hundred thousand, four hundred sixty-six".