380571666 has 8 divisors (see below), whose sum is σ = 761143344. Its totient is φ = 126857220.

The previous prime is 380571661. The next prime is 380571701. The reversal of 380571666 is 666175083.

380571666 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

380571666 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (380571661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31714300 + ... + 31714311.

It is an arithmetic number, because the mean of its divisors is an integer number (95142918).

Almost surely, 2^380571666 is an apocalyptic number.

380571666 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

380571666 is a wasteful number, since it uses less digits than its factorization.

380571666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63428616.

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 380571666 is about 19508.2461026100. The cubic root of 380571666 is about 724.6786786969.

The spelling of 380571666 in words is "three hundred eighty million, five hundred seventy-one thousand, six hundred sixty-six".