380618664 has 16 divisors (see below), whose sum is σ = 951546720. Its totient is φ = 126872880.

The previous prime is 380618663. The next prime is 380618699. The reversal of 380618664 is 466816083.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (380618663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7929532 + ... + 7929579.

It is an arithmetic number, because the mean of its divisors is an integer number (59471670).

Almost surely, 2^380618664 is an apocalyptic number.

It is an amenable number.

380618664 is an abundant number, since it is smaller than the sum of its proper divisors (570928056).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

380618664 is a wasteful number, since it uses less digits than its factorization.

380618664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15859120 (or 15859116 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 42.

The square root of 380618664 is about 19509.4506329625. The cubic root of 380618664 is about 724.7085084238.

The spelling of 380618664 in words is "three hundred eighty million, six hundred eighteen thousand, six hundred sixty-four".