45816666 has 96 divisors (see below), whose sum is σ = 115240320. Its totient is φ = 12063744.

The previous prime is 45816643. The next prime is 45816671. The reversal of 45816666 is 66661854.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 444771 + ... + 444873.

It is an arithmetic number, because the mean of its divisors is an integer number (1200420).

Almost surely, 2^45816666 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45816666, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57620160).

45816666 is an abundant number, since it is smaller than the sum of its proper divisors (69423654).

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

45816666 is a wasteful number, since it uses less digits than its factorization.

45816666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228 (or 221 counting only the distinct ones).

The product of its digits is 207360, while the sum is 42.

The square root of 45816666 is about 6768.8009277863. The cubic root of 45816666 is about 357.8281428082.

The spelling of 45816666 in words is "forty-five million, eight hundred sixteen thousand, six hundred sixty-six".