165473958 has 16 divisors (see below), whose sum is σ = 356405616. Its totient is φ = 50915040.

The previous prime is 165473941. The next prime is 165473963. The reversal of 165473958 is 859374561.

It is a Curzon number.

It is a congruent 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, 1060653 + ... + 1060808.

It is an arithmetic number, because the mean of its divisors is an integer number (22275351).

Almost surely, 2^165473958 is an apocalyptic number.

165473958 is an abundant number, since it is smaller than the sum of its proper divisors (190931658).

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

165473958 is a wasteful number, since it uses less digits than its factorization.

165473958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2121479.

The product of its digits is 907200, while the sum is 48.

The square root of 165473958 is about 12863.6681393761. The cubic root of 165473958 is about 549.0053184444.

The spelling of 165473958 in words is "one hundred sixty-five million, four hundred seventy-three thousand, nine hundred fifty-eight".