18359294976 has 704 divisors, whose sum is σ = 64943285760. Its totient is φ = 5060689920.

The previous prime is 18359294953. The next prime is 18359294983. The reversal of 18359294976 is 67949295381.

It is a tau number, because it is divible by the number of its divisors (704).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 274019295 + ... + 274019361.

Almost surely, 2^18359294976 is an apocalyptic number.

18359294976 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18359294976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32471642880).

18359294976 is an abundant number, since it is smaller than the sum of its proper divisors (46583990784).

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

18359294976 is a wasteful number, since it uses less digits than its factorization.

18359294976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177 (or 153 counting only the distinct ones).

The product of its digits is 29393280, while the sum is 63.

The spelling of 18359294976 in words is "eighteen billion, three hundred fifty-nine million, two hundred ninety-four thousand, nine hundred seventy-six".