164162508 has 48 divisors (see below), whose sum is σ = 408925440. Its totient is φ = 51105600.

The previous prime is 164162507. The next prime is 164162513. The reversal of 164162508 is 805261461.

It is not an unprimeable number, because it can be changed into a prime (164162501) 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, 11118 + ... + 21258.

It is an arithmetic number, because the mean of its divisors is an integer number (8519280).

Almost surely, 2^164162508 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 164162508, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (204462720).

164162508 is an abundant number, since it is smaller than the sum of its proper divisors (244762932).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

164162508 is a wasteful number, since it uses less digits than its factorization.

164162508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10238 (or 10236 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 164162508 is about 12812.5917752811. The cubic root of 164162508 is about 547.5511046727.

The spelling of 164162508 in words is "one hundred sixty-four million, one hundred sixty-two thousand, five hundred eight".