165338474 has 16 divisors (see below), whose sum is σ = 283602816. Its totient is φ = 70818000.

The previous prime is 165338471. The next prime is 165338479. The reversal of 165338474 is 474833561.

It is not an unprimeable number, because it can be changed into a prime (165338471) by changing a digit.

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, 42824 + ... + 46524.

It is an arithmetic number, because the mean of its divisors is an integer number (17725176).

Almost surely, 2^165338474 is an apocalyptic number.

165338474 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

165338474 is a deficient number, since it is larger than the sum of its proper divisors (118264342).

165338474 is a wasteful number, since it uses less digits than its factorization.

165338474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6901.

The product of its digits is 241920, while the sum is 41.

The square root of 165338474 is about 12858.4009114664. The cubic root of 165338474 is about 548.8554424016.

The spelling of 165338474 in words is "one hundred sixty-five million, three hundred thirty-eight thousand, four hundred seventy-four".