5666616 has 48 divisors (see below), whose sum is σ = 15461160. Its totient is φ = 1874880.

The previous prime is 5666599. The next prime is 5666621. The reversal of 5666616 is 6166665.

It is a super-2 number, since 2×5666616² = 64221073782912, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15006 + ... + 15378.

Almost surely, 2^5666616 is an apocalyptic number.

It is an amenable number.

5666616 is an abundant number, since it is smaller than the sum of its proper divisors (9794544).

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

5666616 is a wasteful number, since it uses less digits than its factorization.

5666616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 596 (or 589 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 5666616 is about 2380.4655006952. The cubic root of 5666616 is about 178.2821766873.

The spelling of 5666616 in words is "five million, six hundred sixty-six thousand, six hundred sixteen".