662266164 has 144 divisors (see below), whose sum is σ = 1861574400. Its totient is φ = 182617344.

The previous prime is 662266159. The next prime is 662266193. The reversal of 662266164 is 461662266.

662266164 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2461822 + ... + 2462090.

It is an arithmetic number, because the mean of its divisors is an integer number (12927600).

Almost surely, 2^662266164 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 662266164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (930787200).

662266164 is an abundant number, since it is smaller than the sum of its proper divisors (1199308236).

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

662266164 is a wasteful number, since it uses less digits than its factorization.

662266164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422 (or 413 counting only the distinct ones).

The product of its digits is 124416, while the sum is 39.

The square root of 662266164 is about 25734.5325195543. The cubic root of 662266164 is about 871.6541234814.

It can be divided in two parts, 66226 and 6164, that added together give a triangular number (72390 = T₃₈₀).

The spelling of 662266164 in words is "six hundred sixty-two million, two hundred sixty-six thousand, one hundred sixty-four".