165938346 has 24 divisors (see below), whose sum is σ = 410895264. Its totient is φ = 47410920.

The previous prime is 165938329. The next prime is 165938363. The reversal of 165938346 is 643839561.

165938346 is a `hidden beast` number, since 16 + 593 + 8 + 3 + 46 = 666.

165938346 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (165938329) and next prime (165938363).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 658360 + ... + 658611.

It is an arithmetic number, because the mean of its divisors is an integer number (17120636).

Almost surely, 2^165938346 is an apocalyptic number.

165938346 is an abundant number, since it is smaller than the sum of its proper divisors (244956918).

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

165938346 is a wasteful number, since it uses less digits than its factorization.

165938346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1316986 (or 1316983 counting only the distinct ones).

The product of its digits is 466560, while the sum is 45.

The square root of 165938346 is about 12881.7058652959. The cubic root of 165938346 is about 549.5184170139.

The spelling of 165938346 in words is "one hundred sixty-five million, nine hundred thirty-eight thousand, three hundred forty-six".