6666733400 has 24 divisors (see below), whose sum is σ = 15500155620. Its totient is φ = 2666693280.

The previous prime is 6666733397. The next prime is 6666733453. The reversal of 6666733400 is 43376666.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 16666634 + ... + 16667033.

Almost surely, 2^6666733400 is an apocalyptic number.

It is an amenable number.

6666733400 is an abundant number, since it is smaller than the sum of its proper divisors (8833422220).

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

6666733400 is a wasteful number, since it uses less digits than its factorization.

6666733400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33333683 (or 33333674 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 41.

The square root of 6666733400 is about 81650.0667482887. The cubic root of 6666733400 is about 1882.0783375882.

The spelling of 6666733400 in words is "six billion, six hundred sixty-six million, seven hundred thirty-three thousand, four hundred".