18127796612 has 48 divisors (see below), whose sum is σ = 32435988480. Its totient is φ = 8863126272.

The previous prime is 18127796591. The next prime is 18127796663. The reversal of 18127796612 is 21669772181.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24730598 + ... + 24731330.

It is an arithmetic number, because the mean of its divisors is an integer number (675749760).

Almost surely, 2^18127796612 is an apocalyptic number.

It is an amenable number.

18127796612 is a deficient number, since it is larger than the sum of its proper divisors (14308191868).

18127796612 is a wasteful number, since it uses less digits than its factorization.

18127796612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1500 (or 1498 counting only the distinct ones).

The product of its digits is 508032, while the sum is 50.

The spelling of 18127796612 in words is "eighteen billion, one hundred twenty-seven million, seven hundred ninety-six thousand, six hundred twelve".