18265126196 has 12 divisors (see below), whose sum is σ = 33844204548. Its totient is φ = 8595353472.

The previous prime is 18265126153. The next prime is 18265126237. The reversal of 18265126196 is 69162156281.

It can be written as a sum of positive squares in 2 ways, for example, as 17151569296 + 1113556900 = 130964^2 + 33370^2 .

It is a super-2 number, since 2×18265126196² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 18265126196.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134302331 + ... + 134302466.

It is an arithmetic number, because the mean of its divisors is an integer number (2820350379).

Almost surely, 2^18265126196 is an apocalyptic number.

It is an amenable number.

18265126196 is a deficient number, since it is larger than the sum of its proper divisors (15579078352).

18265126196 is a wasteful number, since it uses less digits than its factorization.

18265126196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268604818 (or 268604816 counting only the distinct ones).

The product of its digits is 311040, while the sum is 47.

The spelling of 18265126196 in words is "eighteen billion, two hundred sixty-five million, one hundred twenty-six thousand, one hundred ninety-six".