214105664 has 14 divisors (see below), whose sum is σ = 424866054. Its totient is φ = 107052800.

The previous prime is 214105657. The next prime is 214105679. The reversal of 214105664 is 466501412.

It can be written as a sum of positive squares in only one way, i.e., 121176064 + 92929600 = 11008^2 + 9640^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1672637 + ... + 1672764.

Almost surely, 2^214105664 is an apocalyptic number.

It is an amenable number.

214105664 is a deficient number, since it is larger than the sum of its proper divisors (210760390).

214105664 is an equidigital number, since it uses as much as digits as its factorization.

214105664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3345413 (or 3345403 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 214105664 is about 14632.3499138040. The cubic root of 214105664 is about 598.2408324418.

The spelling of 214105664 in words is "two hundred fourteen million, one hundred five thousand, six hundred sixty-four".