376665663 has 16 divisors (see below), whose sum is σ = 553306752. Its totient is φ = 226020000.

The previous prime is 376665643. The next prime is 376665677. The reversal of 376665663 is 366566673.

It is not a de Polignac number, because 376665663 - 2⁵ = 376665631 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (376665613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53173 + ... + 59838.

It is an arithmetic number, because the mean of its divisors is an integer number (34581672).

Almost surely, 2^376665663 is an apocalyptic number.

376665663 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

376665663 is a deficient number, since it is larger than the sum of its proper divisors (176641089).

376665663 is a wasteful number, since it uses less digits than its factorization.

376665663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113126.

The product of its digits is 2449440, while the sum is 48.

The square root of 376665663 is about 19407.8763134971. The cubic root of 376665663 is about 722.1908978980.

The spelling of 376665663 in words is "three hundred seventy-six million, six hundred sixty-five thousand, six hundred sixty-three".