164245071 has 8 divisors (see below), whose sum is σ = 219084544. Its totient is φ = 109451160.

The previous prime is 164245069. The next prime is 164245091. The reversal of 164245071 is 170542461.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 164245071 - 2¹ = 164245069 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 (164245061) 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, 1831 + ... + 18216.

It is an arithmetic number, because the mean of its divisors is an integer number (27385568).

Almost surely, 2^164245071 is an apocalyptic number.

164245071 is a deficient number, since it is larger than the sum of its proper divisors (54839473).

164245071 is a wasteful number, since it uses less digits than its factorization.

164245071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22781.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 164245071 is about 12815.8133179288. The cubic root of 164245071 is about 547.6428834143.

The spelling of 164245071 in words is "one hundred sixty-four million, two hundred forty-five thousand, seventy-one".