165429958 has 24 divisors (see below), whose sum is σ = 265424832. Its totient is φ = 77311104.

The previous prime is 165429947. The next prime is 165429973. The reversal of 165429958 is 859924561.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 89835 + ... + 91657.

It is an arithmetic number, because the mean of its divisors is an integer number (11059368).

Almost surely, 2^165429958 is an apocalyptic number.

165429958 is a deficient number, since it is larger than the sum of its proper divisors (99994874).

165429958 is a wasteful number, since it uses less digits than its factorization.

165429958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2016 (or 1999 counting only the distinct ones).

The product of its digits is 777600, while the sum is 49.

The square root of 165429958 is about 12861.9577825462. The cubic root of 165429958 is about 548.9566534346.

The spelling of 165429958 in words is "one hundred sixty-five million, four hundred twenty-nine thousand, nine hundred fifty-eight".