6664366 has 8 divisors (see below), whose sum is σ = 10266840. Its totient is φ = 3242088.

The previous prime is 6664351. The next prime is 6664381. The reversal of 6664366 is 6634666.

It is an interprime number because it is at equal distance from previous prime (6664351) and next prime (6664381).

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

It is a Harshad number since it is a multiple of its sum of digits (37).

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, 44956 + ... + 45103.

It is an arithmetic number, because the mean of its divisors is an integer number (1283355).

Almost surely, 2^6664366 is an apocalyptic number.

6664366 is a deficient number, since it is larger than the sum of its proper divisors (3602474).

6664366 is a wasteful number, since it uses less digits than its factorization.

6664366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90098.

The product of its digits is 93312, while the sum is 37.

The square root of 6664366 is about 2581.5433368433. The cubic root of 6664366 is about 188.1855531830.

The spelling of 6664366 in words is "six million, six hundred sixty-four thousand, three hundred sixty-six".