6336666397 has 8 divisors (see below), whose sum is σ = 6491267072. Its totient is φ = 6183702000.

The previous prime is 6336666353. The next prime is 6336666449. The reversal of 6336666397 is 7936666336.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6336666397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6336666337) 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, 401229 + ... + 416722.

It is an arithmetic number, because the mean of its divisors is an integer number (811408384).

Almost surely, 2^6336666397 is an apocalyptic number.

It is an amenable number.

6336666397 is a deficient number, since it is larger than the sum of its proper divisors (154600675).

6336666397 is a wasteful number, since it uses less digits than its factorization.

6336666397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 818139.

The product of its digits is 13226976, while the sum is 55.

The square root of 6336666397 is about 79603.1808221254. The cubic root of 6336666397 is about 1850.4908750488.

The spelling of 6336666397 in words is "six billion, three hundred thirty-six million, six hundred sixty-six thousand, three hundred ninety-seven".