6660910914 has 64 divisors (see below), whose sum is σ = 15868968960. Its totient is φ = 1823808960.

The previous prime is 6660910873. The next prime is 6660910933. The reversal of 6660910914 is 4190190666.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 109272 + ... + 158940.

It is an arithmetic number, because the mean of its divisors is an integer number (247952640).

Almost surely, 2^6660910914 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6660910914, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7934484480).

6660910914 is an abundant number, since it is smaller than the sum of its proper divisors (9208058046).

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

6660910914 is a wasteful number, since it uses less digits than its factorization.

6660910914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49815.

The product of its (nonzero) digits is 69984, while the sum is 42.

The square root of 6660910914 is about 81614.4038390283. The cubic root of 6660910914 is about 1881.5302647475.

The spelling of 6660910914 in words is "six billion, six hundred sixty million, nine hundred ten thousand, nine hundred fourteen".