164969135 has 8 divisors (see below), whose sum is σ = 204349056. Its totient is φ = 127717920.

The previous prime is 164969131. The next prime is 164969137. The reversal of 164969135 is 531969461.

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

It is not a de Polignac number, because 164969135 - 2² = 164969131 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 (164969131) 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 7 ways as a sum of consecutive naturals, for example, 532004 + ... + 532313.

It is an arithmetic number, because the mean of its divisors is an integer number (25543632).

Almost surely, 2^164969135 is an apocalyptic number.

164969135 is a deficient number, since it is larger than the sum of its proper divisors (39379921).

164969135 is a wasteful number, since it uses less digits than its factorization.

164969135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1064353.

The product of its digits is 174960, while the sum is 44.

The square root of 164969135 is about 12844.0311039798. The cubic root of 164969135 is about 548.4464534026.

The spelling of 164969135 in words is "one hundred sixty-four million, nine hundred sixty-nine thousand, one hundred thirty-five".