662164 has 6 divisors (see below), whose sum is σ = 1158794. Its totient is φ = 331080.

The previous prime is 662149. The next prime is 662177. The reversal of 662164 is 461266.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 412164 + 250000 = 642^2 + 500^2 .

It is a super-2 number, since 2×662164² = 876922325792, which contains 22 as substring.

It is a plaindrome in base 14.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82767 + ... + 82774.

2⁶⁶²¹⁶⁴ is an apocalyptic number.

It is an amenable number.

662164 is a deficient number, since it is larger than the sum of its proper divisors (496630).

662164 is a wasteful number, since it uses less digits than its factorization.

662164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165545 (or 165543 counting only the distinct ones).

The product of its digits is 1728, while the sum is 25.

The square root of 662164 is about 813.7346004687. The cubic root of 662164 is about 87.1609299483.

The spelling of 662164 in words is "six hundred sixty-two thousand, one hundred sixty-four".