18883731146 has 16 divisors (see below), whose sum is σ = 32383661760. Its totient is φ = 8090139840.

The previous prime is 18883731137. The next prime is 18883731173. The reversal of 18883731146 is 64113738881.

It is a junction number, because it is equal to n+sod(n) for n = 18883731094 and 18883731103.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 199775 + ... + 278706.

It is an arithmetic number, because the mean of its divisors is an integer number (2023978860).

Almost surely, 2^18883731146 is an apocalyptic number.

18883731146 is a deficient number, since it is larger than the sum of its proper divisors (13499930614).

18883731146 is a wasteful number, since it uses less digits than its factorization.

18883731146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481309.

The product of its digits is 774144, while the sum is 50.

The spelling of 18883731146 in words is "eighteen billion, eight hundred eighty-three million, seven hundred thirty-one thousand, one hundred forty-six".