164266263 has 24 divisors (see below), whose sum is σ = 272177568. Its totient is φ = 93517632.

The previous prime is 164266231. The next prime is 164266301. The reversal of 164266263 is 362662461.

164266263 is a `hidden beast` number, since 1 + 6 + 4 + 26 + 626 + 3 = 666.

It is not a de Polignac number, because 164266263 - 2⁵ = 164266231 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164266163) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12745 + ... + 22157.

It is an arithmetic number, because the mean of its divisors is an integer number (11340732).

Almost surely, 2^164266263 is an apocalyptic number.

164266263 is a deficient number, since it is larger than the sum of its proper divisors (107911305).

164266263 is a wasteful number, since it uses less digits than its factorization.

164266263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9703 (or 9700 counting only the distinct ones).

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

The square root of 164266263 is about 12816.6400823305. The cubic root of 164266263 is about 547.6664359199. Note that the first 3 decimals are identical.

The spelling of 164266263 in words is "one hundred sixty-four million, two hundred sixty-six thousand, two hundred sixty-three".