380630072666 has 4 divisors (see below), whose sum is σ = 570945109002. Its totient is φ = 190315036332.

The previous prime is 380630072663. The next prime is 380630072701. The reversal of 380630072666 is 666270036083.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 329624108641 + 51005964025 = 574129^2 + 225845^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 380630072666.

It is not an unprimeable number, because it can be changed into a prime (380630072663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95157518165 + ... + 95157518168.

Almost surely, 2^380630072666 is an apocalyptic number.

380630072666 is a deficient number, since it is larger than the sum of its proper divisors (190315036336).

380630072666 is a wasteful number, since it uses less digits than its factorization.

380630072666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190315036335.

The product of its (nonzero) digits is 1306368, while the sum is 47.

The spelling of 380630072666 in words is "three hundred eighty billion, six hundred thirty million, seventy-two thousand, six hundred sixty-six".