1613560 has 64 divisors (see below), whose sum is σ = 4082400. Its totient is φ = 569856.

The previous prime is 1613543. The next prime is 1613587. The reversal of 1613560 is 653161.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15027 + ... + 15133.

2^1613560 is an apocalyptic number.

1613560 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 1613560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2041200).

1613560 is an abundant number, since it is smaller than the sum of its proper divisors (2468840).

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

1613560 is a wasteful number, since it uses less digits than its factorization.

1613560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160 (or 156 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 1613560 is about 1270.2598159432. The cubic root of 1613560 is about 117.2901944835.

It can be divided in two parts, 161 and 3560, that added together give a square (3721 = 61²).

The spelling of 1613560 in words is "one million, six hundred thirteen thousand, five hundred sixty".