18996514696 has 16 divisors (see below), whose sum is σ = 35620922700. Its totient is φ = 9497601984.

The previous prime is 18996514681. The next prime is 18996514721. The reversal of 18996514696 is 69641569981.

It can be written as a sum of positive squares in 2 ways, for example, as 18554253796 + 442260900 = 136214^2 + 21030^2 .

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 3 ways as a sum of consecutive naturals, for example, 54666 + ... + 202438.

Almost surely, 2^18996514696 is an apocalyptic number.

It is an amenable number.

18996514696 is a deficient number, since it is larger than the sum of its proper divisors (16624408004).

18996514696 is a wasteful number, since it uses less digits than its factorization.

18996514696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163848 (or 163844 counting only the distinct ones).

The product of its digits is 25194240, while the sum is 64.

The spelling of 18996514696 in words is "eighteen billion, nine hundred ninety-six million, five hundred fourteen thousand, six hundred ninety-six".