164366663 has 16 divisors (see below), whose sum is σ = 178143840. Its totient is φ = 151142400.

The previous prime is 164366651. The next prime is 164366677. The reversal of 164366663 is 366663461.

It is not a de Polignac number, because 164366663 - 2⁶ = 164366599 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 164366663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164366603) 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, 199793 + ... + 200613.

It is an arithmetic number, because the mean of its divisors is an integer number (11133990).

Almost surely, 2^164366663 is an apocalyptic number.

164366663 is a deficient number, since it is larger than the sum of its proper divisors (13777177).

164366663 is a wasteful number, since it uses less digits than its factorization.

164366663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1138.

The product of its digits is 279936, while the sum is 41.

The square root of 164366663 is about 12820.5562671828. The cubic root of 164366663 is about 547.7779916151. Note that the first 3 decimals are identical.

The spelling of 164366663 in words is "one hundred sixty-four million, three hundred sixty-six thousand, six hundred sixty-three".