612164 has 12 divisors (see below), whose sum is σ = 1224384. Its totient is φ = 262344.

The previous prime is 612149. The next prime is 612169. The reversal of 612164 is 461216.

It is a happy number.

612164 is an admirable number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 612164.

It is not an unprimeable number, because it can be changed into a prime (612169) by changing a digit.

612164 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10904 + ... + 10959.

It is an arithmetic number, because the mean of its divisors is an integer number (102032).

2⁶¹²¹⁶⁴ is an apocalyptic number.

It is an amenable number.

612164 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

612164 is a wasteful number, since it uses less digits than its factorization.

612164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21874 (or 21872 counting only the distinct ones).

The product of its digits is 288, while the sum is 20.

The square root of 612164 is about 782.4091001516. The cubic root of 612164 is about 84.9094306356.

The spelling of 612164 in words is "six hundred twelve thousand, one hundred sixty-four".