6660356 has 12 divisors (see below), whose sum is σ = 11926992. Its totient is φ = 3252648.

The previous prime is 6660349. The next prime is 6660359. The reversal of 6660356 is 6530666.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (6660359) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19190 + ... + 19533.

It is an arithmetic number, because the mean of its divisors is an integer number (993916).

Almost surely, 2^6660356 is an apocalyptic number.

It is an amenable number.

6660356 is a deficient number, since it is larger than the sum of its proper divisors (5266636).

6660356 is a wasteful number, since it uses less digits than its factorization.

6660356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38770 (or 38768 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 32.

The square root of 6660356 is about 2580.7665527901. The cubic root of 6660356 is about 188.1478013812.

The spelling of 6660356 in words is "six million, six hundred sixty thousand, three hundred fifty-six".