16960720 has 80 divisors (see below), whose sum is σ = 46568448. Its totient is φ = 5621760.

The previous prime is 16960709. The next prime is 16960721. The reversal of 16960720 is 2706961.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16960721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16872 + ... + 17848.

Almost surely, 2^16960720 is an apocalyptic number.

16960720 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 16960720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23284224).

16960720 is an abundant number, since it is smaller than the sum of its proper divisors (29607728).

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

16960720 is a wasteful number, since it uses less digits than its factorization.

16960720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1028 (or 1022 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 16960720 is about 4118.3394711947. The cubic root of 16960720 is about 256.9299672410.

The spelling of 16960720 in words is "sixteen million, nine hundred sixty thousand, seven hundred twenty".