45972448666 has 8 divisors (see below), whose sum is σ = 69233409504. Its totient is φ = 22894645500.

The previous prime is 45972448661. The next prime is 45972448741. The reversal of 45972448666 is 66684427954.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×45972448666² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45972448661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45788790 + ... + 45789793.

It is an arithmetic number, because the mean of its divisors is an integer number (8654176188).

Almost surely, 2^45972448666 is an apocalyptic number.

45972448666 is a deficient number, since it is larger than the sum of its proper divisors (23260960838).

45972448666 is a wasteful number, since it uses less digits than its factorization.

45972448666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91578836.

The product of its digits is 69672960, while the sum is 61.

The spelling of 45972448666 in words is "forty-five billion, nine hundred seventy-two million, four hundred forty-eight thousand, six hundred sixty-six".