6666267632 has 20 divisors (see below), whose sum is σ = 12920780160. Its totient is φ = 3331872768.

The previous prime is 6666267617. The next prime is 6666267653. The reversal of 6666267632 is 2367626666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34448 + ... + 120495.

It is an arithmetic number, because the mean of its divisors is an integer number (646039008).

Almost surely, 2^6666267632 is an apocalyptic number.

It is an amenable number.

6666267632 is a deficient number, since it is larger than the sum of its proper divisors (6254512528).

6666267632 is a wasteful number, since it uses less digits than its factorization.

6666267632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157640 (or 157634 counting only the distinct ones).

The product of its digits is 3919104, while the sum is 50.

The square root of 6666267632 is about 81647.2144778988. The cubic root of 6666267632 is about 1882.0345064130.

The spelling of 6666267632 in words is "six billion, six hundred sixty-six million, two hundred sixty-seven thousand, six hundred thirty-two".