6665401214 has 8 divisors (see below), whose sum is σ = 10001268288. Its totient is φ = 3331645120.

The previous prime is 6665401207. The next prime is 6665401243. The reversal of 6665401214 is 4121045666.

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

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, 519827 + ... + 532494.

It is an arithmetic number, because the mean of its divisors is an integer number (1250158536).

Almost surely, 2^6665401214 is an apocalyptic number.

6665401214 is a deficient number, since it is larger than the sum of its proper divisors (3335867074).

6665401214 is a wasteful number, since it uses less digits than its factorization.

6665401214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1055490.

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 6665401214 is about 81641.9084416821. The cubic root of 6665401214 is about 1881.9529665713.

The spelling of 6665401214 in words is "six billion, six hundred sixty-five million, four hundred one thousand, two hundred fourteen".