16396664149008 has 1920 divisors, whose sum is σ = 62464642007040. Its totient is φ = 3929554944000.

The previous prime is 16396664148877. The next prime is 16396664149043. The reversal of 16396664149008 is 80094146669361.

It is an unprimeable number.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 57938742435 + ... + 57938742717.

It is an arithmetic number, because the mean of its divisors is an integer number (32533667712).

Almost surely, 2^{16396664149008} is an apocalyptic number.

16396664149008 is a gapful number since it is divisible by the number (18) 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 16396664149008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31232321003520).

16396664149008 is an abundant number, since it is smaller than the sum of its proper divisors (46067977858032).

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

16396664149008 is a wasteful number, since it uses less digits than its factorization.

16396664149008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 669 (or 660 counting only the distinct ones).

The product of its (nonzero) digits is 40310784, while the sum is 63.

The spelling of 16396664149008 in words is "sixteen trillion, three hundred ninety-six billion, six hundred sixty-four million, one hundred forty-nine thousand, eight".