45321406666 has 32 divisors (see below), whose sum is σ = 75608287488. Its totient is φ = 20265273600.

The previous prime is 45321406661. The next prime is 45321406679. The reversal of 45321406666 is 66660412354.

45321406666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (45321406661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73825 + ... + 309988.

It is an arithmetic number, because the mean of its divisors is an integer number (2362758984).

Almost surely, 2^45321406666 is an apocalyptic number.

45321406666 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

45321406666 is a deficient number, since it is larger than the sum of its proper divisors (30286880822).

45321406666 is a wasteful number, since it uses less digits than its factorization.

45321406666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384006.

The product of its (nonzero) digits is 622080, while the sum is 43.

The spelling of 45321406666 in words is "forty-five billion, three hundred twenty-one million, four hundred six thousand, six hundred sixty-six".