6666353214 has 16 divisors (see below), whose sum is σ = 13389931152. Its totient is φ = 2212580288.

The previous prime is 6666353171. The next prime is 6666353231. The reversal of 6666353214 is 4123536666.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2382849 + ... + 2385644.

It is an arithmetic number, because the mean of its divisors is an integer number (836870697).

Almost surely, 2^6666353214 is an apocalyptic number.

6666353214 is an abundant number, since it is smaller than the sum of its proper divisors (6723577938).

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

6666353214 is a wasteful number, since it uses less digits than its factorization.

6666353214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4768731.

The product of its digits is 466560, while the sum is 42.

The square root of 6666353214 is about 81647.7385724798. The cubic root of 6666353214 is about 1882.0425602745.

The spelling of 6666353214 in words is "six billion, six hundred sixty-six million, three hundred fifty-three thousand, two hundred fourteen".