6662616 has 48 divisors (see below), whose sum is σ = 17602200. Its totient is φ = 2101248.

The previous prime is 6662581. The next prime is 6662633. The reversal of 6662616 is 6162666.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8280 + ... + 9048.

Almost surely, 2^6662616 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 6662616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8801100).

6662616 is an abundant number, since it is smaller than the sum of its proper divisors (10939584).

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

6662616 is a wasteful number, since it uses less digits than its factorization.

6662616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 816 (or 793 counting only the distinct ones).

The product of its digits is 15552, while the sum is 33.

The square root of 6662616 is about 2581.2043700567. The cubic root of 6662616 is about 188.1690798206.

The spelling of 6662616 in words is "six million, six hundred sixty-two thousand, six hundred sixteen".