15660960 has 192 divisors, whose sum is σ = 58060800. Its totient is φ = 3474432.

The previous prime is 15660949. The next prime is 15660977. The reversal of 15660960 is 6906651.

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, 198201 + ... + 198279.

It is an arithmetic number, because the mean of its divisors is an integer number (302400).

Almost surely, 2^15660960 is an apocalyptic number.

15660960 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 15660960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29030400).

15660960 is an abundant number, since it is smaller than the sum of its proper divisors (42399840).

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

15660960 is a wasteful number, since it uses less digits than its factorization.

15660960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163 (or 155 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 15660960 is about 3957.3930813100. The cubic root of 15660960 is about 250.1916397260.

It can be divided in two parts, 156 and 60960, that added together give a palindrome (61116).

The spelling of 15660960 in words is "fifteen million, six hundred sixty thousand, nine hundred sixty".