18177882122 has 16 divisors (see below), whose sum is σ = 28714361760. Its totient is φ = 8606842992.

The previous prime is 18177882119. The next prime is 18177882137. The reversal of 18177882122 is 22128877181.

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 7 ways as a sum of consecutive naturals, for example, 13868 + ... + 191175.

It is an arithmetic number, because the mean of its divisors is an integer number (1794647610).

Almost surely, 2^18177882122 is an apocalyptic number.

18177882122 is a deficient number, since it is larger than the sum of its proper divisors (10536479638).

18177882122 is a wasteful number, since it uses less digits than its factorization.

18177882122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207397.

The product of its digits is 200704, while the sum is 47.

The spelling of 18177882122 in words is "eighteen billion, one hundred seventy-seven million, eight hundred eighty-two thousand, one hundred twenty-two".