165336810 has 16 divisors (see below), whose sum is σ = 396808416. Its totient is φ = 44089808.

The previous prime is 165336797. The next prime is 165336827. The reversal of 165336810 is 18633561.

It is a super-2 number, since 2×165336810² = 54672521481952200, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

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, 2755584 + ... + 2755643.

It is an arithmetic number, because the mean of its divisors is an integer number (24800526).

Almost surely, 2^165336810 is an apocalyptic number.

165336810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

165336810 is an abundant number, since it is smaller than the sum of its proper divisors (231471606).

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

165336810 is a wasteful number, since it uses less digits than its factorization.

165336810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5511237.

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

The square root of 165336810 is about 12858.3362065238. The cubic root of 165336810 is about 548.8536011312.

The spelling of 165336810 in words is "one hundred sixty-five million, three hundred thirty-six thousand, eight hundred ten".