6648156 has 90 divisors (see below), whose sum is σ = 18722088. Its totient is φ = 2056320.

The previous prime is 6648143. The next prime is 6648203. The reversal of 6648156 is 6518466.

6648156 is a `hidden beast` number, since 6 + 648 + 1 + 5 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 6648156.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 93601 + ... + 93671.

Almost surely, 2^6648156 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 6648156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9361044).

6648156 is an abundant number, since it is smaller than the sum of its proper divisors (12073932).

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

6648156 is a wasteful number, since it uses less digits than its factorization.

6648156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121 (or 93 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 6648156 is about 2578.4018305920. The cubic root of 6648156 is about 188.0328522640.

The spelling of 6648156 in words is "six million, six hundred forty-eight thousand, one hundred fifty-six".