376656681 has 8 divisors (see below), whose sum is σ = 504402880. Its totient is φ = 250007472.

The previous prime is 376656629. The next prime is 376656701. The reversal of 376656681 is 186656673.

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

It is not a de Polignac number, because 376656681 - 2¹⁵ = 376623913 is a prime.

It is a super-2 number, since 2×376656681² = 283740510683871522, 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 376656681.

It is not an unprimeable number, because it can be changed into a prime (376656281) 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, 273445 + ... + 274818.

It is an arithmetic number, because the mean of its divisors is an integer number (63050360).

Almost surely, 2^376656681 is an apocalyptic number.

It is an amenable number.

376656681 is a deficient number, since it is larger than the sum of its proper divisors (127746199).

376656681 is a wasteful number, since it uses less digits than its factorization.

376656681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548495.

The product of its digits is 1088640, while the sum is 48.

The square root of 376656681 is about 19407.6449112199. The cubic root of 376656681 is about 722.1851573781.

The spelling of 376656681 in words is "three hundred seventy-six million, six hundred fifty-six thousand, six hundred eighty-one".