18119764 has 12 divisors (see below), whose sum is σ = 34148884. Its totient is φ = 8362944.

The previous prime is 18119743. The next prime is 18119771. The reversal of 18119764 is 46791181.

It can be written as a sum of positive squares in 2 ways, for example, as 1227664 + 16892100 = 1108^2 + 4110^2 .

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 174177 + ... + 174280.

Almost surely, 2^18119764 is an apocalyptic number.

It is an amenable number.

18119764 is a deficient number, since it is larger than the sum of its proper divisors (16029120).

18119764 is a wasteful number, since it uses less digits than its factorization.

18119764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348474 (or 348472 counting only the distinct ones).

The product of its digits is 12096, while the sum is 37.

The square root of 18119764 is about 4256.7316100501. The cubic root of 18119764 is about 262.6540966726.

The spelling of 18119764 in words is "eighteen million, one hundred nineteen thousand, seven hundred sixty-four".