1613656 has 24 divisors (see below), whose sum is σ = 3327660. Its totient is φ = 733040.

The previous prime is 1613653. The next prime is 1613669. The reversal of 1613656 is 6563161.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1613653) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 135 + ... + 1801.

2^1613656 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1613656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1663830).

1613656 is an abundant number, since it is smaller than the sum of its proper divisors (1714004).

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

1613656 is a wasteful number, since it uses less digits than its factorization.

1613656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1695 (or 1680 counting only the distinct ones).

The product of its digits is 3240, while the sum is 28.

The square root of 1613656 is about 1270.2976029262. The cubic root of 1613656 is about 117.2925205277.

The spelling of 1613656 in words is "one million, six hundred thirteen thousand, six hundred fifty-six".