45126306666 has 72 divisors (see below), whose sum is σ = 116510871204. Its totient is φ = 12578751360.

The previous prime is 45126306653. The next prime is 45126306671. The reversal of 45126306666 is 66660362154.

45126306666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 44995318641 + 130988025 = 212121^2 + 11445^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 587785 + ... + 660108.

Almost surely, 2^45126306666 is an apocalyptic number.

45126306666 is an abundant number, since it is smaller than the sum of its proper divisors (71384564538).

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

45126306666 is a wasteful number, since it uses less digits than its factorization.

45126306666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1247956 (or 1247946 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 45.

The spelling of 45126306666 in words is "forty-five billion, one hundred twenty-six million, three hundred six thousand, six hundred sixty-six".