164023894 has 16 divisors (see below), whose sum is σ = 251061840. Its totient is φ = 80346240.

The previous prime is 164023891. The next prime is 164023927. The reversal of 164023894 is 498320461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164023891) 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, 34714 + ... + 39154.

It is an arithmetic number, because the mean of its divisors is an integer number (15691365).

Almost surely, 2^164023894 is an apocalyptic number.

164023894 is a deficient number, since it is larger than the sum of its proper divisors (87037946).

164023894 is a wasteful number, since it uses less digits than its factorization.

164023894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4815.

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 164023894 is about 12807.1813448549. The cubic root of 164023894 is about 547.3969492531.

The spelling of 164023894 in words is "one hundred sixty-four million, twenty-three thousand, eight hundred ninety-four".