164165263 has 16 divisors (see below), whose sum is σ = 178305120. Its totient is φ = 150615936.

The previous prime is 164165233. The next prime is 164165269. The reversal of 164165263 is 362561461.

It is a cyclic number.

It is not a de Polignac number, because 164165263 - 2⁵ = 164165231 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164165269) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 205581 + ... + 206377.

It is an arithmetic number, because the mean of its divisors is an integer number (11144070).

Almost surely, 2^164165263 is an apocalyptic number.

164165263 is a deficient number, since it is larger than the sum of its proper divisors (14139857).

164165263 is a wasteful number, since it uses less digits than its factorization.

164165263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1146.

The product of its digits is 25920, while the sum is 34.

The square root of 164165263 is about 12812.6992862550. The cubic root of 164165263 is about 547.5541676840.

The spelling of 164165263 in words is "one hundred sixty-four million, one hundred sixty-five thousand, two hundred sixty-three".