16998039120312 has 256 divisors, whose sum is σ = 52185859891200. Its totient is φ = 5099104327680.

The previous prime is 16998039120253. The next prime is 16998039120373. The reversal of 16998039120312 is 21302193089961.

16998039120312 is a `hidden beast` number, since 16 + 99 + 80 + 39 + 120 + 312 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 256459737 + ... + 256526007.

It is an arithmetic number, because the mean of its divisors is an integer number (203851015200).

Almost surely, 2^{16998039120312} is an apocalyptic number.

16998039120312 is a gapful number since it is divisible by the number (12) 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 16998039120312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26092929945600).

16998039120312 is an abundant number, since it is smaller than the sum of its proper divisors (35187820770888).

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

16998039120312 is a wasteful number, since it uses less digits than its factorization.

16998039120312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69363 (or 69353 counting only the distinct ones).

The product of its (nonzero) digits is 1259712, while the sum is 54.

The spelling of 16998039120312 in words is "sixteen trillion, nine hundred ninety-eight billion, thirty-nine million, one hundred twenty thousand, three hundred twelve".