1616560 has 60 divisors (see below), whose sum is σ = 4155984. Its totient is φ = 584320.

The previous prime is 1616551. The next prime is 1616569. The reversal of 1616560 is 656161.

It is an interprime number because it is at equal distance from previous prime (1616551) and next prime (1616569).

It is a super-2 number, since 2×1616560² = 5226532467200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1616569) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9597 + ... + 9763.

2^1616560 is an apocalyptic number.

1616560 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 1616560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2077992).

1616560 is an abundant number, since it is smaller than the sum of its proper divisors (2539424).

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

1616560 is a wasteful number, since it uses less digits than its factorization.

1616560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202 (or 185 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 1616560 is about 1271.4401283584. The cubic root of 1616560 is about 117.3628398014.

The spelling of 1616560 in words is "one million, six hundred sixteen thousand, five hundred sixty".