18080376416 has 12 divisors (see below), whose sum is σ = 35595741132. Its totient is φ = 9040188192.

The previous prime is 18080376389. The next prime is 18080376439. The reversal of 18080376416 is 61467308081.

It is a super-2 number, since 2×18080376416² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282505850 + ... + 282505913.

It is an arithmetic number, because the mean of its divisors is an integer number (2966311761).

Almost surely, 2^18080376416 is an apocalyptic number.

18080376416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

18080376416 is a deficient number, since it is larger than the sum of its proper divisors (17515364716).

18080376416 is an equidigital number, since it uses as much as digits as its factorization.

18080376416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565011773 (or 565011765 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 44.

The spelling of 18080376416 in words is "eighteen billion, eighty million, three hundred seventy-six thousand, four hundred sixteen".