164171485 has 16 divisors (see below), whose sum is σ = 199793664. Its totient is φ = 129491712.

The previous prime is 164171473. The next prime is 164171509. The reversal of 164171485 is 584171461.

It is a cyclic number.

It is not a de Polignac number, because 164171485 - 2¹⁵ = 164138717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125344 + ... + 126646.

It is an arithmetic number, because the mean of its divisors is an integer number (12487104).

Almost surely, 2^164171485 is an apocalyptic number.

It is an amenable number.

164171485 is a deficient number, since it is larger than the sum of its proper divisors (35622179).

164171485 is a wasteful number, since it uses less digits than its factorization.

164171485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1644.

The product of its digits is 26880, while the sum is 37.

The square root of 164171485 is about 12812.9420899339. The cubic root of 164171485 is about 547.5610851828.

The spelling of 164171485 in words is "one hundred sixty-four million, one hundred seventy-one thousand, four hundred eighty-five".