664162010 has 8 divisors (see below), whose sum is σ = 1195491636. Its totient is φ = 265664800.

The previous prime is 664161983. The next prime is 664162021. The reversal of 664162010 is 10261466.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 602555209 + 61606801 = 24547^2 + 7849^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×664162010² = 882222351054480200, which contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 33208091 + ... + 33208110.

Almost surely, 2^664162010 is an apocalyptic number.

664162010 is a deficient number, since it is larger than the sum of its proper divisors (531329626).

664162010 is a wasteful number, since it uses less digits than its factorization.

664162010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66416208.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 664162010 is about 25771.3408653877. The cubic root of 664162010 is about 872.4850822429.

The spelling of 664162010 in words is "six hundred sixty-four million, one hundred sixty-two thousand, ten".