664616162 has 48 divisors (see below), whose sum is σ = 1214688960. Its totient is φ = 267104736.

The previous prime is 664616159. The next prime is 664616201. The reversal of 664616162 is 261616466.

It is a super-2 number, since 2×664616162² = 883429285583220488, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

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 23 ways as a sum of consecutive naturals, for example, 540164 + ... + 541392.

It is an arithmetic number, because the mean of its divisors is an integer number (25306020).

Almost surely, 2^664616162 is an apocalyptic number.

664616162 is a deficient number, since it is larger than the sum of its proper divisors (550072798).

664616162 is a wasteful number, since it uses less digits than its factorization.

664616162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1383 (or 1364 counting only the distinct ones).

The product of its digits is 62208, while the sum is 38.

The square root of 664616162 is about 25780.1505426171. The cubic root of 664616162 is about 872.6839044968.

The spelling of 664616162 in words is "six hundred sixty-four million, six hundred sixteen thousand, one hundred sixty-two".