668964114 has 48 divisors (see below), whose sum is σ = 1783908672. Its totient is φ = 176429664.

The previous prime is 668964073. The next prime is 668964119. The reversal of 668964114 is 411469866.

It is a self number, because there is not a number n which added to its sum of digits gives 668964114.

It is not an unprimeable number, because it can be changed into a prime (668964119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 202564 + ... + 205839.

It is an arithmetic number, because the mean of its divisors is an integer number (37164764).

Almost surely, 2^668964114 is an apocalyptic number.

668964114 is an abundant number, since it is smaller than the sum of its proper divisors (1114944558).

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

668964114 is a wasteful number, since it uses less digits than its factorization.

668964114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408431 (or 408428 counting only the distinct ones).

The product of its digits is 248832, while the sum is 45.

The square root of 668964114 is about 25864.3405869935. The cubic root of 668964114 is about 874.5828167457.

The spelling of 668964114 in words is "six hundred sixty-eight million, nine hundred sixty-four thousand, one hundred fourteen".