18626683514 has 16 divisors (see below), whose sum is σ = 28703543400. Its totient is φ = 9060138240.

The previous prime is 18626683513. The next prime is 18626683519. The reversal of 18626683514 is 41538662681.

It can be written as a sum of positive squares in 4 ways, for example, as 16109955625 + 2516727889 = 126925^2 + 50167^2 .

It is not an unprimeable number, because it can be changed into a prime (18626683511) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 296819 + ... + 354054.

Almost surely, 2^18626683514 is an apocalyptic number.

18626683514 is a deficient number, since it is larger than the sum of its proper divisors (10076859886).

18626683514 is a wasteful number, since it uses less digits than its factorization.

18626683514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 651265.

The product of its digits is 1658880, while the sum is 50.

The spelling of 18626683514 in words is "eighteen billion, six hundred twenty-six million, six hundred eighty-three thousand, five hundred fourteen".