18386883338 has 16 divisors (see below), whose sum is σ = 29139066240. Its totient is φ = 8677432800.

The previous prime is 18386883323. The next prime is 18386883367. The reversal of 18386883338 is 83338868381.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 882443 + ... + 903038.

It is an arithmetic number, because the mean of its divisors is an integer number (1821191640).

Almost surely, 2^18386883338 is an apocalyptic number.

18386883338 is a deficient number, since it is larger than the sum of its proper divisors (10752182902).

18386883338 is a wasteful number, since it uses less digits than its factorization.

18386883338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1785773.

The product of its digits is 15925248, while the sum is 59.

The spelling of 18386883338 in words is "eighteen billion, three hundred eighty-six million, eight hundred eighty-three thousand, three hundred thirty-eight".