18080662 has 4 divisors (see below), whose sum is σ = 27120996. Its totient is φ = 9040330.

The previous prime is 18080653. The next prime is 18080669. The reversal of 18080662 is 26608081.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 26608081 = 353 ⋅75377.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18080669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4520164 + ... + 4520167.

It is an arithmetic number, because the mean of its divisors is an integer number (6780249).

Almost surely, 2^18080662 is an apocalyptic number.

18080662 is a deficient number, since it is larger than the sum of its proper divisors (9040334).

18080662 is an equidigital number, since it uses as much as digits as its factorization.

18080662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9040333.

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 18080662 is about 4252.1361690332. The cubic root of 18080662 is about 262.4650269356.

The spelling of 18080662 in words is "eighteen million, eighty thousand, six hundred sixty-two".