2616656 has 40 divisors (see below), whose sum is σ = 5904384. Its totient is φ = 1100160.

The previous prime is 2616643. The next prime is 2616659. The reversal of 2616656 is 6566162.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2616659) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6641 + ... + 7023.

2^2616656 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 2616656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2952192).

2616656 is an abundant number, since it is smaller than the sum of its proper divisors (3287728).

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

2616656 is a wasteful number, since it uses less digits than its factorization.

2616656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459 (or 453 counting only the distinct ones).

The product of its digits is 12960, while the sum is 32.

The square root of 2616656 is about 1617.6081107611. The cubic root of 2616656 is about 137.7998920067.

The spelling of 2616656 in words is "two million, six hundred sixteen thousand, six hundred fifty-six".