18192200397 has 16 divisors (see below), whose sum is σ = 27727066752. Its totient is φ = 10393436160.

The previous prime is 18192200311. The next prime is 18192200399. The reversal of 18192200397 is 79300229181.

It is not a de Polignac number, because 18192200397 - 2¹⁰ = 18192199373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18192200399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21453 + ... + 191949.

It is an arithmetic number, because the mean of its divisors is an integer number (1732941672).

Almost surely, 2^18192200397 is an apocalyptic number.

It is an amenable number.

18192200397 is a deficient number, since it is larger than the sum of its proper divisors (9534866355).

18192200397 is a wasteful number, since it uses less digits than its factorization.

18192200397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175588.

The product of its (nonzero) digits is 54432, while the sum is 42.

The spelling of 18192200397 in words is "eighteen billion, one hundred ninety-two million, two hundred thousand, three hundred ninety-seven".