16709972160 has 448 divisors, whose sum is σ = 63905587200. Its totient is φ = 3693957120.

The previous prime is 16709972159. The next prime is 16709972171. The reversal of 16709972160 is 6127990761.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (448).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10206862 + ... + 10208498.

It is an arithmetic number, because the mean of its divisors is an integer number (142646400).

Almost surely, 2^16709972160 is an apocalyptic number.

16709972160 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 16709972160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31952793600).

16709972160 is an abundant number, since it is smaller than the sum of its proper divisors (47195615040).

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

16709972160 is a wasteful number, since it uses less digits than its factorization.

16709972160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1709 (or 1685 counting only the distinct ones).

The product of its (nonzero) digits is 285768, while the sum is 48.

The spelling of 16709972160 in words is "sixteen billion, seven hundred nine million, nine hundred seventy-two thousand, one hundred sixty".