45656666 has 16 divisors (see below), whose sum is σ = 74962368. Its totient is φ = 20683200.

The previous prime is 45656651. The next prime is 45656671. The reversal of 45656666 is 66665654.

45656666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 7 ways as a sum of consecutive naturals, for example, 3506 + ... + 10178.

It is an arithmetic number, because the mean of its divisors is an integer number (4685148).

Almost surely, 2^45656666 is an apocalyptic number.

45656666 is a deficient number, since it is larger than the sum of its proper divisors (29305702).

45656666 is a wasteful number, since it uses less digits than its factorization.

45656666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6997.

The product of its digits is 777600, while the sum is 44.

The square root of 45656666 is about 6756.9716589608. The cubic root of 45656666 is about 357.4111236840.

The spelling of 45656666 in words is "forty-five million, six hundred fifty-six thousand, six hundred sixty-six".