18296328897 has 128 divisors (see below), whose sum is σ = 37017907200. Its totient is φ = 8636544000.

The previous prime is 18296328751. The next prime is 18296328907. The reversal of 18296328897 is 79882369281.

18296328897 is a `hidden beast` number, since 18 + 296 + 328 + 8 + 9 + 7 = 666.

It is not a de Polignac number, because 18296328897 - 2⁸ = 18296328641 is a prime.

It is a super-2 number, since 2×18296328897² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (18296328097) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1016022 + ... + 1033872.

It is an arithmetic number, because the mean of its divisors is an integer number (289202400).

Almost surely, 2^18296328897 is an apocalyptic number.

18296328897 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

18296328897 is an abundant number, since it is smaller than the sum of its proper divisors (18721578303).

18296328897 is a wasteful number, since it uses less digits than its factorization.

18296328897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17924 (or 17918 counting only the distinct ones).

The product of its digits is 20901888, while the sum is 63.

The spelling of 18296328897 in words is "eighteen billion, two hundred ninety-six million, three hundred twenty-eight thousand, eight hundred ninety-seven".