18225498613574 has 16 divisors (see below), whose sum is σ = 31243806528768. Its totient is φ = 7810904322312.

The previous prime is 18225498613549. The next prime is 18225498613613. The reversal of 18225498613574 is 47531689452281.

It is a super-4 number, since 4×18225498613574⁴ (a number of 54 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 18225498613574.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 3303377 + ... + 6882099.

It is an arithmetic number, because the mean of its divisors is an integer number (1952737908048).

Almost surely, 2^{18225498613574} is an apocalyptic number.

18225498613574 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

18225498613574 is a deficient number, since it is larger than the sum of its proper divisors (13018307915194).

18225498613574 is a wasteful number, since it uses less digits than its factorization.

18225498613574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3942499.

The product of its digits is 116121600, while the sum is 65.

The spelling of 18225498613574 in words is "eighteen trillion, two hundred twenty-five billion, four hundred ninety-eight million, six hundred thirteen thousand, five hundred seventy-four".