164195073 has 32 divisors (see below), whose sum is σ = 278757120. Its totient is φ = 93571200.

The previous prime is 164195069. The next prime is 164195107. The reversal of 164195073 is 370591461.

164195073 is a `hidden beast` number, since 1 + 641 + 9 + 5 + 0 + 7 + 3 = 666.

It is not a de Polignac number, because 164195073 - 2² = 164195069 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (164195023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 85423 + ... + 87323.

It is an arithmetic number, because the mean of its divisors is an integer number (8711160).

Almost surely, 2^164195073 is an apocalyptic number.

It is an amenable number.

164195073 is a deficient number, since it is larger than the sum of its proper divisors (114562047).

164195073 is a wasteful number, since it uses less digits than its factorization.

164195073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2374 (or 2368 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 164195073 is about 12813.8625324295. The cubic root of 164195073 is about 547.5873082757.

The spelling of 164195073 in words is "one hundred sixty-four million, one hundred ninety-five thousand, seventy-three".