380166815 has 8 divisors (see below), whose sum is σ = 521371680. Its totient is φ = 260685792.

The previous prime is 380166799. The next prime is 380166851. The reversal of 380166815 is 518661083.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 380166815 - 2⁴ = 380166799 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5430920 + ... + 5430989.

It is an arithmetic number, because the mean of its divisors is an integer number (65171460).

Almost surely, 2^380166815 is an apocalyptic number.

380166815 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

380166815 is a deficient number, since it is larger than the sum of its proper divisors (141204865).

380166815 is a wasteful number, since it uses less digits than its factorization.

380166815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10861921.

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 380166815 is about 19497.8669346162. The cubic root of 380166815 is about 724.4216171846.

The spelling of 380166815 in words is "three hundred eighty million, one hundred sixty-six thousand, eight hundred fifteen".