18253507708 has 48 divisors (see below), whose sum is σ = 33827220000. Its totient is φ = 8594546688.

The previous prime is 18253507703. The next prime is 18253507709. The reversal of 18253507708 is 80770535281.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18253507703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10679958 + ... + 10681666.

It is an arithmetic number, because the mean of its divisors is an integer number (704733750).

Almost surely, 2^18253507708 is an apocalyptic number.

It is an amenable number.

18253507708 is a deficient number, since it is larger than the sum of its proper divisors (15573712292).

18253507708 is a wasteful number, since it uses less digits than its factorization.

18253507708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2494 (or 2492 counting only the distinct ones).

The product of its (nonzero) digits is 470400, while the sum is 46.

The spelling of 18253507708 in words is "eighteen billion, two hundred fifty-three million, five hundred seven thousand, seven hundred eight".