15720960 has 160 divisors (see below), whose sum is σ = 53032320. Its totient is φ = 3964928.

The previous prime is 15720959. The next prime is 15720973. The reversal of 15720960 is 6902751.

It is a tau number, because it is divible by the number of its divisors (160).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 176596 + ... + 176684.

It is an arithmetic number, because the mean of its divisors is an integer number (331452).

Almost surely, 2^15720960 is an apocalyptic number.

15720960 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 15720960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26516160).

15720960 is an abundant number, since it is smaller than the sum of its proper divisors (37311360).

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

15720960 is an equidigital number, since it uses as much as digits as its factorization.

15720960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138 (or 122 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 15720960 is about 3964.9665824569. The cubic root of 15720960 is about 250.5107425244.

The spelling of 15720960 in words is "fifteen million, seven hundred twenty thousand, nine hundred sixty".