18885053350 has 24 divisors (see below), whose sum is σ = 35721564120. Its totient is φ = 7425985920.

The previous prime is 18885053309. The next prime is 18885053359. The reversal of 18885053350 is 5335058881.

It is a self number, because there is not a number n which added to its sum of digits gives 18885053350.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18885053359) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3197907 + ... + 3203806.

It is an arithmetic number, because the mean of its divisors is an integer number (1488398505).

Almost surely, 2^18885053350 is an apocalyptic number.

18885053350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18885053350 is a deficient number, since it is larger than the sum of its proper divisors (16836510770).

18885053350 is a wasteful number, since it uses less digits than its factorization.

18885053350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6401784 (or 6401779 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 46.

The spelling of 18885053350 in words is "eighteen billion, eight hundred eighty-five million, fifty-three thousand, three hundred fifty".