6660346414 has 16 divisors (see below), whose sum is σ = 10050885936. Its totient is φ = 3310070400.

The previous prime is 6660346403. The next prime is 6660346439. The reversal of 6660346414 is 4146430666.

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, 985254 + ... + 991990.

It is an arithmetic number, because the mean of its divisors is an integer number (628180371).

Almost surely, 2^6660346414 is an apocalyptic number.

6660346414 is a deficient number, since it is larger than the sum of its proper divisors (3390539522).

6660346414 is a wasteful number, since it uses less digits than its factorization.

6660346414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9651.

The product of its (nonzero) digits is 248832, while the sum is 40.

The square root of 6660346414 is about 81610.9454301321. The cubic root of 6660346414 is about 1881.4771111647.

The spelling of 6660346414 in words is "six billion, six hundred sixty million, three hundred forty-six thousand, four hundred fourteen".