18852188385 has 64 divisors (see below), whose sum is σ = 31396147200. Its totient is φ = 9651882240.

The previous prime is 18852188371. The next prime is 18852188419. The reversal of 18852188385 is 58388125881.

It is not a de Polignac number, because 18852188385 - 2⁵ = 18852188353 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 14467644 + ... + 14468946.

It is an arithmetic number, because the mean of its divisors is an integer number (490564800).

Almost surely, 2^18852188385 is an apocalyptic number.

18852188385 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

18852188385 is a deficient number, since it is larger than the sum of its proper divisors (12543958815).

18852188385 is a wasteful number, since it uses less digits than its factorization.

18852188385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1678.

The product of its digits is 4915200, while the sum is 57.

The spelling of 18852188385 in words is "eighteen billion, eight hundred fifty-two million, one hundred eighty-eight thousand, three hundred eighty-five".