164516194 has 32 divisors (see below), whose sum is σ = 272093184. Its totient is φ = 74345040.

The previous prime is 164516189. The next prime is 164516197. The reversal of 164516194 is 491615461.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (164516197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59977 + ... + 62659.

It is an arithmetic number, because the mean of its divisors is an integer number (8502912).

Almost surely, 2^164516194 is an apocalyptic number.

164516194 is a deficient number, since it is larger than the sum of its proper divisors (107576990).

164516194 is a wasteful number, since it uses less digits than its factorization.

164516194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2782.

The product of its digits is 25920, while the sum is 37.

The square root of 164516194 is about 12826.3866306922. The cubic root of 164516194 is about 547.9440531976.

The spelling of 164516194 in words is "one hundred sixty-four million, five hundred sixteen thousand, one hundred ninety-four".