16693702832640 has 320 divisors, whose sum is σ = 56246343753600. Its totient is φ = 4212113670144.

The previous prime is 16693702832623. The next prime is 16693702832683. The reversal of 16693702832640 is 4623820739661.

It is a tau number, because it is divible by the number of its divisors (320).

It is a Harshad number since it is a multiple of its sum of digits (57).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 117978574 + ... + 118119986.

It is an arithmetic number, because the mean of its divisors is an integer number (175769824230).

Almost surely, 2^{16693702832640} is an apocalyptic number.

16693702832640 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 16693702832640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28123171876800).

16693702832640 is an abundant number, since it is smaller than the sum of its proper divisors (39552640920960).

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

16693702832640 is a wasteful number, since it uses less digits than its factorization.

16693702832640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142267 (or 142251 counting only the distinct ones).

The product of its (nonzero) digits is 15676416, while the sum is 57.

The spelling of 16693702832640 in words is "sixteen trillion, six hundred ninety-three billion, seven hundred two million, eight hundred thirty-two thousand, six hundred forty".