45272783666 has 16 divisors (see below), whose sum is σ = 74124257760. Its totient is φ = 20567004480.

The previous prime is 45272783627. The next prime is 45272783701. The reversal of 45272783666 is 66638727254.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 536471 + ... + 615098.

It is an arithmetic number, because the mean of its divisors is an integer number (4632766110).

Almost surely, 2^45272783666 is an apocalyptic number.

45272783666 is a deficient number, since it is larger than the sum of its proper divisors (28851474094).

45272783666 is a wasteful number, since it uses less digits than its factorization.

45272783666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1153369.

The product of its digits is 20321280, while the sum is 56.

The spelling of 45272783666 in words is "forty-five billion, two hundred seventy-two million, seven hundred eighty-three thousand, six hundred sixty-six".