16453226815520 has 288 divisors, whose sum is σ = 44989599312000. Its totient is φ = 5666184437760.

The previous prime is 16453226815427. The next prime is 16453226815537. The reversal of 16453226815520 is 2551862235461.

It is a super-2 number, since 2×16453226815520² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1489378637 + ... + 1489389683.

It is an arithmetic number, because the mean of its divisors is an integer number (156213886500).

Almost surely, 2^{16453226815520} is an apocalyptic number.

16453226815520 is a gapful number since it is divisible by the number (10) 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 16453226815520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22494799656000).

16453226815520 is an abundant number, since it is smaller than the sum of its proper divisors (28536372496480).

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

16453226815520 is a wasteful number, since it uses less digits than its factorization.

16453226815520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15152 (or 15133 counting only the distinct ones).

The product of its (nonzero) digits is 3456000, while the sum is 50.

The spelling of 16453226815520 in words is "sixteen trillion, four hundred fifty-three billion, two hundred twenty-six million, eight hundred fifteen thousand, five hundred twenty".