165213514 has 16 divisors (see below), whose sum is σ = 262692288. Its totient is φ = 77660352.

The previous prime is 165213509. The next prime is 165213523. The reversal of 165213514 is 415312561.

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, 36019 + ... + 40345.

It is an arithmetic number, because the mean of its divisors is an integer number (16418268).

Almost surely, 2^165213514 is an apocalyptic number.

165213514 is a deficient number, since it is larger than the sum of its proper divisors (97478774).

165213514 is a wasteful number, since it uses less digits than its factorization.

165213514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5469.

The product of its digits is 3600, while the sum is 28.

The square root of 165213514 is about 12853.5409129158. The cubic root of 165213514 is about 548.7171356902.

The spelling of 165213514 in words is "one hundred sixty-five million, two hundred thirteen thousand, five hundred fourteen".