16455805726512 has 160 divisors (see below), whose sum is σ = 44348861491200. Its totient is φ = 5254007362560.

The previous prime is 16455805726501. The next prime is 16455805726513. The reversal of 16455805726512 is 21562750855461.

It is a super-2 number, since 2×16455805726512² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16455805726513) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27085138 + ... + 27686030.

It is an arithmetic number, because the mean of its divisors is an integer number (277180384320).

Almost surely, 2^{16455805726512} is an apocalyptic number.

16455805726512 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 16455805726512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22174430745600).

16455805726512 is an abundant number, since it is smaller than the sum of its proper divisors (27893055764688).

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

16455805726512 is a wasteful number, since it uses less digits than its factorization.

16455805726512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 601211 (or 601205 counting only the distinct ones).

The product of its (nonzero) digits is 20160000, while the sum is 57.

The spelling of 16455805726512 in words is "sixteen trillion, four hundred fifty-five billion, eight hundred five million, seven hundred twenty-six thousand, five hundred twelve".