36668631 has 8 divisors (see below), whose sum is σ = 49621504. Its totient is φ = 24080760.

The previous prime is 36668627. The next prime is 36668669. The reversal of 36668631 is 13686663.

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

It is not a de Polignac number, because 36668631 - 2² = 36668627 is a prime.

It is a super-2 number, since 2×36668631² = 2689176998828322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 36668631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36668431) 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, 91015 + ... + 91416.

It is an arithmetic number, because the mean of its divisors is an integer number (6202688).

Almost surely, 2^36668631 is an apocalyptic number.

36668631 is a deficient number, since it is larger than the sum of its proper divisors (12952873).

36668631 is a wasteful number, since it uses less digits than its factorization.

36668631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182501.

The product of its digits is 93312, while the sum is 39.

The square root of 36668631 is about 6055.4629055094. The cubic root of 36668631 is about 332.2244303153.

The spelling of 36668631 in words is "thirty-six million, six hundred sixty-eight thousand, six hundred thirty-one".