668164010 has 16 divisors (see below), whose sum is σ = 1206618336. Its totient is φ = 266393808.

The previous prime is 668164009. The next prime is 668164037. The reversal of 668164010 is 10461866.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105752 + ... + 111891.

It is an arithmetic number, because the mean of its divisors is an integer number (75413646).

Almost surely, 2^668164010 is an apocalyptic number.

668164010 is a deficient number, since it is larger than the sum of its proper divisors (538454326).

668164010 is a wasteful number, since it uses less digits than its factorization.

668164010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217957.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 668164010 is about 25848.8686406195. The cubic root of 668164010 is about 874.2340006389.

The spelling of 668164010 in words is "six hundred sixty-eight million, one hundred sixty-four thousand, ten".