381668696 has 16 divisors (see below), whose sum is σ = 717627600. Its totient is φ = 190301344.

The previous prime is 381668689. The next prime is 381668701. The reversal of 381668696 is 696866183.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63575 + ... + 69318.

It is an arithmetic number, because the mean of its divisors is an integer number (44851725).

Almost surely, 2^381668696 is an apocalyptic number.

It is an amenable number.

381668696 is a deficient number, since it is larger than the sum of its proper divisors (335958904).

381668696 is a wasteful number, since it uses less digits than its factorization.

381668696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133258 (or 133254 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 53.

The square root of 381668696 is about 19536.3429535827. The cubic root of 381668696 is about 725.3743265546.

The spelling of 381668696 in words is "three hundred eighty-one million, six hundred sixty-eight thousand, six hundred ninety-six".