164335868 has 6 divisors (see below), whose sum is σ = 287587776. Its totient is φ = 82167932.

The previous prime is 164335861. The next prime is 164335877. The reversal of 164335868 is 868533461.

It is a super-2 number, since 2×164335868² = 54012555022626848, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164335861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20541980 + ... + 20541987.

It is an arithmetic number, because the mean of its divisors is an integer number (47931296).

Almost surely, 2^164335868 is an apocalyptic number.

It is an amenable number.

164335868 is a deficient number, since it is larger than the sum of its proper divisors (123251908).

164335868 is a wasteful number, since it uses less digits than its factorization.

164335868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41083971 (or 41083969 counting only the distinct ones).

The product of its digits is 414720, while the sum is 44.

The square root of 164335868 is about 12819.3552099940. The cubic root of 164335868 is about 547.7437797367.

The spelling of 164335868 in words is "one hundred sixty-four million, three hundred thirty-five thousand, eight hundred sixty-eight".