45566661 has 8 divisors (see below), whose sum is σ = 69434944. Its totient is φ = 26038080.

The previous prime is 45566639. The next prime is 45566671. The reversal of 45566661 is 16666554.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 45566661 - 2⁵ = 45566629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45566671) 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, 1084900 + ... + 1084941.

It is an arithmetic number, because the mean of its divisors is an integer number (8679368).

Almost surely, 2^45566661 is an apocalyptic number.

It is an amenable number.

45566661 is a deficient number, since it is larger than the sum of its proper divisors (23868283).

45566661 is a wasteful number, since it uses less digits than its factorization.

45566661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2169851.

The product of its digits is 129600, while the sum is 39.

The square root of 45566661 is about 6750.3082151854. The cubic root of 45566661 is about 357.1761090792.

The spelling of 45566661 in words is "forty-five million, five hundred sixty-six thousand, six hundred sixty-one".