165849340 has 24 divisors (see below), whose sum is σ = 350596512. Its totient is φ = 65899200.

The previous prime is 165849319. The next prime is 165849377. The reversal of 165849340 is 43948561.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 165849293 and 165849302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24439 + ... + 30478.

It is an arithmetic number, because the mean of its divisors is an integer number (14608188).

Almost surely, 2^165849340 is an apocalyptic number.

165849340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

165849340 is an abundant number, since it is smaller than the sum of its proper divisors (184747172).

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

165849340 is a wasteful number, since it uses less digits than its factorization.

165849340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55077 (or 55075 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 165849340 is about 12878.2506576010. The cubic root of 165849340 is about 549.4201492237.

The spelling of 165849340 in words is "one hundred sixty-five million, eight hundred forty-nine thousand, three hundred forty".