4453215666 has 16 divisors (see below), whose sum is σ = 8989670304. Its totient is φ = 1470532064.

The previous prime is 4453215653. The next prime is 4453215673. The reversal of 4453215666 is 6665123544.

It is a super-2 number, since 2×4453215666² = 39662259535815647112, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3467595 + ... + 3468878.

It is an arithmetic number, because the mean of its divisors is an integer number (561854394).

Almost surely, 2^4453215666 is an apocalyptic number.

4453215666 is an abundant number, since it is smaller than the sum of its proper divisors (4536454638).

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

4453215666 is a wasteful number, since it uses less digits than its factorization.

4453215666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6936585.

The product of its digits is 518400, while the sum is 42.

The square root of 4453215666 is about 66732.4184036515. The cubic root of 4453215666 is about 1645.2222567800. Note that the first 4 decimals are identical.

The spelling of 4453215666 in words is "four billion, four hundred fifty-three million, two hundred fifteen thousand, six hundred sixty-six".