18485165350 has 12 divisors (see below), whose sum is σ = 34382407644. Its totient is φ = 7394066120.

The previous prime is 18485165323. The next prime is 18485165359. The reversal of 18485165350 is 5356158481.

It is a self number, because there is not a number n which added to its sum of digits gives 18485165350.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18485165359) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 184851604 + ... + 184851703.

It is an arithmetic number, because the mean of its divisors is an integer number (2865200637).

Almost surely, 2^18485165350 is an apocalyptic number.

18485165350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18485165350 is a deficient number, since it is larger than the sum of its proper divisors (15897242294).

18485165350 is a wasteful number, since it uses less digits than its factorization.

18485165350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369703319 (or 369703314 counting only the distinct ones).

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

The spelling of 18485165350 in words is "eighteen billion, four hundred eighty-five million, one hundred sixty-five thousand, three hundred fifty".