18124266100 has 36 divisors (see below), whose sum is σ = 41643170604. Its totient is φ = 6823252480.

The previous prime is 18124266089. The next prime is 18124266103. The reversal of 18124266100 is 166242181.

It can be written as a sum of positive squares in 6 ways, for example, as 928664676 + 17195601424 = 30474^2 + 131132^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18124266103) 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, 5328967 + ... + 5332366.

It is an arithmetic number, because the mean of its divisors is an integer number (1156754739).

Almost surely, 2^18124266100 is an apocalyptic number.

18124266100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18124266100 is an abundant number, since it is smaller than the sum of its proper divisors (23518904504).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18124266100 is a wasteful number, since it uses less digits than its factorization.

18124266100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10661364 (or 10661357 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 31.

The spelling of 18124266100 in words is "eighteen billion, one hundred twenty-four million, two hundred sixty-six thousand, one hundred".