6666267630 has 96 divisors (see below), whose sum is σ = 18540835200. Its totient is φ = 1520980480.

The previous prime is 6666267617. The next prime is 6666267653. The reversal of 6666267630 is 367626666.

It is a super-2 number, since 2×6666267630² = 88878248229571633800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6666267630.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 60421 + ... + 130319.

It is an arithmetic number, because the mean of its divisors is an integer number (193133700).

Almost surely, 2^6666267630 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6666267630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9270417600).

6666267630 is an abundant number, since it is smaller than the sum of its proper divisors (11874567570).

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

6666267630 is a wasteful number, since it uses less digits than its factorization.

6666267630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69954 (or 69937 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 48.

The square root of 6666267630 is about 81647.2144656509. The cubic root of 6666267630 is about 1882.0345062248.

The spelling of 6666267630 in words is "six billion, six hundred sixty-six million, two hundred sixty-seven thousand, six hundred thirty".