6666153 has 8 divisors (see below), whose sum is σ = 9571968. Its totient is φ = 4102224.

The previous prime is 6666137. The next prime is 6666157. The reversal of 6666153 is 3516666.

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

It is not a de Polignac number, because 6666153 - 2⁴ = 6666137 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (6666157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85425 + ... + 85502.

It is an arithmetic number, because the mean of its divisors is an integer number (1196496).

Almost surely, 2^6666153 is an apocalyptic number.

It is an amenable number.

6666153 is a deficient number, since it is larger than the sum of its proper divisors (2905815).

6666153 is a wasteful number, since it uses less digits than its factorization.

6666153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170943.

The product of its digits is 19440, while the sum is 33.

The square root of 6666153 is about 2581.8894244332. The cubic root of 6666153 is about 188.2023718637.

The spelling of 6666153 in words is "six million, six hundred sixty-six thousand, one hundred fifty-three".