164949071 has 16 divisors (see below), whose sum is σ = 200293440. Its totient is φ = 132814080.

The previous prime is 164949061. The next prime is 164949107. The reversal of 164949071 is 170949461.

It is not a de Polignac number, because 164949071 - 2⁶ = 164949007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164949061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3470 + ... + 18491.

It is an arithmetic number, because the mean of its divisors is an integer number (12518340).

Almost surely, 2^164949071 is an apocalyptic number.

164949071 is a deficient number, since it is larger than the sum of its proper divisors (35344369).

164949071 is a wasteful number, since it uses less digits than its factorization.

164949071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22034.

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 164949071 is about 12843.2500170323. The cubic root of 164949071 is about 548.4242179791.

The spelling of 164949071 in words is "one hundred sixty-four million, nine hundred forty-nine thousand, seventy-one".