18097021466496 has 864 divisors, whose sum is σ = 62819299062000. Its totient is φ = 4985920880640.

The previous prime is 18097021466473. The next prime is 18097021466497. The reversal of 18097021466496 is 69466412079081.

18097021466496 is a `hidden beast` number, since 1 + 8 + 0 + 9 + 70 + 2 + 14 + 66 + 496 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18097021466497) by changing a digit.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 24356690701 + ... + 24356691443.

Almost surely, 2^{18097021466496} is an apocalyptic number.

18097021466496 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 18097021466496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31409649531000).

18097021466496 is an abundant number, since it is smaller than the sum of its proper divisors (44722277595504).

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

18097021466496 is a wasteful number, since it uses less digits than its factorization.

18097021466496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1288 (or 1235 counting only the distinct ones).

The product of its (nonzero) digits is 31352832, while the sum is 63.

The spelling of 18097021466496 in words is "eighteen trillion, ninety-seven billion, twenty-one million, four hundred sixty-six thousand, four hundred ninety-six".