5653201666 has 8 divisors (see below), whose sum is σ = 9691202880. Its totient is φ = 2422800708.

The previous prime is 5653201649. The next prime is 5653201667. The reversal of 5653201666 is 6661023565.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (5653201667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 201900046 + ... + 201900073.

It is an arithmetic number, because the mean of its divisors is an integer number (1211400360).

Almost surely, 2^5653201666 is an apocalyptic number.

5653201666 is a deficient number, since it is larger than the sum of its proper divisors (4038001214).

5653201666 is a wasteful number, since it uses less digits than its factorization.

5653201666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403800128.

The product of its (nonzero) digits is 194400, while the sum is 40.

The square root of 5653201666 is about 75187.7760410560. The cubic root of 5653201666 is about 1781.4138564750.

The spelling of 5653201666 in words is "five billion, six hundred fifty-three million, two hundred one thousand, six hundred sixty-six".