15861160 has 64 divisors (see below), whose sum is σ = 41915520. Its totient is φ = 5287680.

The previous prime is 15861121. The next prime is 15861163. The reversal of 15861160 is 6116851.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (15861163) 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, 9595 + ... + 11125.

It is an arithmetic number, because the mean of its divisors is an integer number (654930).

Almost surely, 2^15861160 is an apocalyptic number.

15861160 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 15861160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20957760).

15861160 is an abundant number, since it is smaller than the sum of its proper divisors (26054360).

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

15861160 is a wasteful number, since it uses less digits than its factorization.

15861160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1586 (or 1582 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 15861160 is about 3982.6071862537. The cubic root of 15861160 is about 251.2532271889.

The spelling of 15861160 in words is "fifteen million, eight hundred sixty-one thousand, one hundred sixty".