164944695 has 16 divisors (see below), whose sum is σ = 264609792. Its totient is φ = 87737760.

The previous prime is 164944691. The next prime is 164944697. The reversal of 164944695 is 596449461.

It is not a de Polignac number, because 164944695 - 2² = 164944691 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164944691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8611 + ... + 20100.

It is an arithmetic number, because the mean of its divisors is an integer number (16538112).

Almost surely, 2^164944695 is an apocalyptic number.

164944695 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

164944695 is a deficient number, since it is larger than the sum of its proper divisors (99665097).

164944695 is a wasteful number, since it uses less digits than its factorization.

164944695 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29102.

The product of its digits is 933120, while the sum is 48.

The square root of 164944695 is about 12843.0796540394. The cubic root of 164944695 is about 548.4193681476.

The spelling of 164944695 in words is "one hundred sixty-four million, nine hundred forty-four thousand, six hundred ninety-five".