6631662231 has 12 divisors (see below), whose sum is σ = 9581663520. Its totient is φ = 4419910080.

The previous prime is 6631662223. The next prime is 6631662239. The reversal of 6631662231 is 1322661366.

It is an interprime number because it is at equal distance from previous prime (6631662223) and next prime (6631662239).

It is not a de Polignac number, because 6631662231 - 2³ = 6631662223 is a prime.

It is a super-2 number, since 2×6631662231² = 87957887892143794722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6631662239) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64111 + ... + 131808.

It is an arithmetic number, because the mean of its divisors is an integer number (798471960).

Almost surely, 2^6631662231 is an apocalyptic number.

6631662231 is a deficient number, since it is larger than the sum of its proper divisors (2950001289).

6631662231 is a wasteful number, since it uses less digits than its factorization.

6631662231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199686 (or 199683 counting only the distinct ones).

The product of its digits is 46656, while the sum is 36.

The square root of 6631662231 is about 81435.0184564356. The cubic root of 6631662231 is about 1878.7722320653.

The spelling of 6631662231 in words is "six billion, six hundred thirty-one million, six hundred sixty-two thousand, two hundred thirty-one".