18259957897296 has 80 divisors (see below), whose sum is σ = 47819255252736. Its totient is φ = 6003084054528.

The previous prime is 18259957897277. The next prime is 18259957897343. The reversal of 18259957897296 is 69279875995281.

It is a super-2 number, since 2×18259957897296² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 149570296 + ... + 149692328.

Almost surely, 2^{18259957897296} is an apocalyptic number.

18259957897296 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

18259957897296 is an abundant number, since it is smaller than the sum of its proper divisors (29559297355440).

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

18259957897296 is a wasteful number, since it uses less digits than its factorization.

18259957897296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164820 (or 164814 counting only the distinct ones).

The product of its digits is 12345177600, while the sum is 87.

The spelling of 18259957897296 in words is "eighteen trillion, two hundred fifty-nine billion, nine hundred fifty-seven million, eight hundred ninety-seven thousand, two hundred ninety-six".