380169192816 has 120 divisors (see below), whose sum is σ = 1218076785120. Its totient is φ = 108428709888.

The previous prime is 380169192803. The next prime is 380169192833. The reversal of 380169192816 is 618291961083.

380169192816 is a `hidden beast` number, since 380 + 1 + 69 + 192 + 8 + 16 = 666.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 242136 + ... + 904968.

It is an arithmetic number, because the mean of its divisors is an integer number (10150639876).

Almost surely, 2^380169192816 is an apocalyptic number.

380169192816 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 380169192816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (609038392560).

380169192816 is an abundant number, since it is smaller than the sum of its proper divisors (837907592304).

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

380169192816 is a wasteful number, since it uses less digits than its factorization.

380169192816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663423 (or 663414 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 54.

It can be divided in two parts, 380169 and 192816, that added together give a triangular number (572985 = T₁₀₇₀).

The spelling of 380169192816 in words is "three hundred eighty billion, one hundred sixty-nine million, one hundred ninety-two thousand, eight hundred sixteen".