664109162 has 16 divisors (see below), whose sum is σ = 1007738880. Its totient is φ = 328215888.

The previous prime is 664109141. The next prime is 664109183. The reversal of 664109162 is 261901466.

It is an interprime number because it is at equal distance from previous prime (664109141) and next prime (664109183).

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 in 7 ways as a sum of consecutive naturals, for example, 65639 + ... + 75077.

It is an arithmetic number, because the mean of its divisors is an integer number (62983680).

Almost surely, 2^664109162 is an apocalyptic number.

664109162 is a deficient number, since it is larger than the sum of its proper divisors (343629718).

664109162 is a wasteful number, since it uses less digits than its factorization.

664109162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9845.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 664109162 is about 25770.3155199932. The cubic root of 664109162 is about 872.4619401410.

The spelling of 664109162 in words is "six hundred sixty-four million, one hundred nine thousand, one hundred sixty-two".