164605902 has 8 divisors (see below), whose sum is σ = 329211816. Its totient is φ = 54868632.

The previous prime is 164605853. The next prime is 164605907. The reversal of 164605902 is 209506461.

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

164605902 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164605907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13717153 + ... + 13717164.

It is an arithmetic number, because the mean of its divisors is an integer number (41151477).

Almost surely, 2^164605902 is an apocalyptic number.

164605902 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

164605902 is a wasteful number, since it uses less digits than its factorization.

164605902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27434322.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 164605902 is about 12829.8831639263. The cubic root of 164605902 is about 548.0436300886.

The spelling of 164605902 in words is "one hundred sixty-four million, six hundred five thousand, nine hundred two".