164632266 has 24 divisors (see below), whose sum is σ = 362029824. Its totient is φ = 54057960.

The previous prime is 164632253. The next prime is 164632297. The reversal of 164632266 is 662236461.

164632266 is a `hidden beast` number, since 1 + 646 + 3 + 2 + 2 + 6 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 164632266.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67050 + ... + 69461.

It is an arithmetic number, because the mean of its divisors is an integer number (15084576).

Almost surely, 2^164632266 is an apocalyptic number.

164632266 is an abundant number, since it is smaller than the sum of its proper divisors (197397558).

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

164632266 is a wasteful number, since it uses less digits than its factorization.

164632266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136586 (or 136583 counting only the distinct ones).

The product of its digits is 62208, while the sum is 36.

The square root of 164632266 is about 12830.9105678436. The cubic root of 164632266 is about 548.0728875470.

The spelling of 164632266 in words is "one hundred sixty-four million, six hundred thirty-two thousand, two hundred sixty-six".