1656116 has 48 divisors (see below), whose sum is σ = 3816960. Its totient is φ = 609120.

The previous prime is 1656107. The next prime is 1656119. The reversal of 1656116 is 6116561.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1656119) 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, 5711 + ... + 5993.

It is an arithmetic number, because the mean of its divisors is an integer number (79520).

2^1656116 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 1656116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1908480).

1656116 is an abundant number, since it is smaller than the sum of its proper divisors (2160844).

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

1656116 is a wasteful number, since it uses less digits than its factorization.

1656116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324 (or 322 counting only the distinct ones).

The product of its digits is 1080, while the sum is 26.

The square root of 1656116 is about 1286.9017056481. The cubic root of 1656116 is about 118.3123963928.

The spelling of 1656116 in words is "one million, six hundred fifty-six thousand, one hundred sixteen".