376666631 has 16 divisors (see below), whose sum is σ = 423795456. Its totient is φ = 331800000.

The previous prime is 376666597. The next prime is 376666651. The reversal of 376666631 is 136666673.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-376666631 is a prime.

It is a super-2 number, since 2×376666631² = 283755501817780322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (376666651) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65336 + ... + 70866.

It is an arithmetic number, because the mean of its divisors is an integer number (26487216).

Almost surely, 2^376666631 is an apocalyptic number.

376666631 is a deficient number, since it is larger than the sum of its proper divisors (47128825).

376666631 is a wasteful number, since it uses less digits than its factorization.

376666631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5734.

The product of its digits is 489888, while the sum is 44.

The square root of 376666631 is about 19407.9012518098. The cubic root of 376666631 is about 722.1915165547.

The spelling of 376666631 in words is "three hundred seventy-six million, six hundred sixty-six thousand, six hundred thirty-one".