2016666464 has 24 divisors (see below), whose sum is σ = 4024704600. Its totient is φ = 994519296.

The previous prime is 2016666451. The next prime is 2016666577. The reversal of 2016666464 is 4646666102.

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, 429314 + ... + 433985.

It is an arithmetic number, because the mean of its divisors is an integer number (167696025).

Almost surely, 2^2016666464 is an apocalyptic number.

It is an amenable number.

2016666464 is a deficient number, since it is larger than the sum of its proper divisors (2008038136).

2016666464 is an equidigital number, since it uses as much as digits as its factorization.

2016666464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 863382 (or 863374 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 41.

The square root of 2016666464 is about 44907.3096945252. The cubic root of 2016666464 is about 1263.4111114124.

The spelling of 2016666464 in words is "two billion, sixteen million, six hundred sixty-six thousand, four hundred sixty-four".