16356165908472 has 1024 divisors, whose sum is σ = 54353854464000. Its totient is φ = 4511784499200.

The previous prime is 16356165908413. The next prime is 16356165908483. The reversal of 16356165908472 is 27480956165361.

It is a happy number.

16356165908472 is a `hidden beast` number, since 1 + 6 + 3 + 5 + 616 + 5 + 9 + 0 + 8 + 4 + 7 + 2 = 666.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 22498164573 + ... + 22498165299.

It is an arithmetic number, because the mean of its divisors is an integer number (53079936000).

It is a 1-persistent number, because it is pandigital, but 2⋅16356165908472 = 32712331816944 is not.

Almost surely, 2^{16356165908472} is an apocalyptic number.

16356165908472 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 16356165908472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27176927232000).

16356165908472 is an abundant number, since it is smaller than the sum of its proper divisors (37997688555528).

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

16356165908472 is a wasteful number, since it uses less digits than its factorization.

16356165908472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1089 (or 1079 counting only the distinct ones).

The product of its (nonzero) digits is 65318400, while the sum is 63.

The spelling of 16356165908472 in words is "sixteen trillion, three hundred fifty-six billion, one hundred sixty-five million, nine hundred eight thousand, four hundred seventy-two".