164268623 has 8 divisors (see below), whose sum is σ = 174595200. Its totient is φ = 154110168.

The previous prime is 164268613. The next prime is 164268679. The reversal of 164268623 is 326862461.

164268623 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 164268623 - 2⁴ = 164268607 is a prime.

It is a super-2 number, since 2×164268623² = 53968361004632258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164268613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40013 + ... + 43926.

It is an arithmetic number, because the mean of its divisors is an integer number (21824400).

Almost surely, 2^164268623 is an apocalyptic number.

164268623 is a deficient number, since it is larger than the sum of its proper divisors (10326577).

164268623 is a wasteful number, since it uses less digits than its factorization.

164268623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84061.

The product of its digits is 82944, while the sum is 38.

The square root of 164268623 is about 12816.7321498110. The cubic root of 164268623 is about 547.6690586670.

The spelling of 164268623 in words is "one hundred sixty-four million, two hundred sixty-eight thousand, six hundred twenty-three".