6662631 has 8 divisors (see below), whose sum is σ = 8895744. Its totient is φ = 4435640.

The previous prime is 6662581. The next prime is 6662633. The reversal of 6662631 is 1362666.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6662631 - 2⁶ = 6662567 is a prime.

It is a super-2 number, since 2×6662631² = 88781303684322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6662633) 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, 2626 + ... + 4496.

It is an arithmetic number, because the mean of its divisors is an integer number (1111968).

Almost surely, 2^6662631 is an apocalyptic number.

6662631 is a deficient number, since it is larger than the sum of its proper divisors (2233113).

6662631 is a wasteful number, since it uses less digits than its factorization.

6662631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3061.

The product of its digits is 7776, while the sum is 30.

The square root of 6662631 is about 2581.2072756755. The cubic root of 6662631 is about 188.1692210331.

The spelling of 6662631 in words is "six million, six hundred sixty-two thousand, six hundred thirty-one".