18112605776 has 40 divisors (see below), whose sum is σ = 35274304800. Its totient is φ = 9009648000.

The previous prime is 18112605769. The next prime is 18112605781. The reversal of 18112605776 is 67750621181.

It is a congruent 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, 4290995 + ... + 4295213.

It is an arithmetic number, because the mean of its divisors is an integer number (881857620).

Almost surely, 2^18112605776 is an apocalyptic number.

18112605776 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

18112605776 is a deficient number, since it is larger than the sum of its proper divisors (17161699024).

18112605776 is a wasteful number, since it uses less digits than its factorization.

18112605776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5547 (or 5541 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 44.

The spelling of 18112605776 in words is "eighteen billion, one hundred twelve million, six hundred five thousand, seven hundred seventy-six".