18195410896 has 40 divisors (see below), whose sum is σ = 40198692744. Its totient is φ = 7903887360.

The previous prime is 18195410809. The next prime is 18195410917. The reversal of 18195410896 is 69801459181.

It can be written as a sum of positive squares in 4 ways, for example, as 68558400 + 18126852496 = 8280^2 + 134636^2 .

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2569345 + ... + 2576416.

Almost surely, 2^18195410896 is an apocalyptic number.

18195410896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

18195410896 is an abundant number, since it is smaller than the sum of its proper divisors (22003281848).

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

18195410896 is a wasteful number, since it uses less digits than its factorization.

18195410896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5145799 (or 5145793 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 52.

The spelling of 18195410896 in words is "eighteen billion, one hundred ninety-five million, four hundred ten thousand, eight hundred ninety-six".