16322163863040 has 1200 divisors, whose sum is σ = 68116077684864. Its totient is φ = 3724716441600.

The previous prime is 16322163862997. The next prime is 16322163863051. The reversal of 16322163863040 is 4036836122361.

16322163863040 is a `hidden beast` number, since 1 + 6 + 3 + 2 + 2 + 1 + 6 + 3 + 8 + 630 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 10069193430 + ... + 10069195050.

Almost surely, 2^{16322163863040} is an apocalyptic number.

16322163863040 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 16322163863040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34058038842432).

16322163863040 is an abundant number, since it is smaller than the sum of its proper divisors (51793913821824).

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

16322163863040 is an equidigital number, since it uses as much as digits as its factorization.

16322163863040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2661 (or 2629 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 45.

The spelling of 16322163863040 in words is "sixteen trillion, three hundred twenty-two billion, one hundred sixty-three million, eight hundred sixty-three thousand, forty".