165975416 has 16 divisors (see below), whose sum is σ = 311860800. Its totient is φ = 82812544.

The previous prime is 165975401. The next prime is 165975427. The reversal of 165975416 is 614579561.

165975416 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17825 + ... + 25488.

It is an arithmetic number, because the mean of its divisors is an integer number (19491300).

Almost surely, 2^165975416 is an apocalyptic number.

It is an amenable number.

165975416 is a deficient number, since it is larger than the sum of its proper divisors (145885384).

165975416 is a wasteful number, since it uses less digits than its factorization.

165975416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43798 (or 43794 counting only the distinct ones).

The product of its digits is 226800, while the sum is 44.

The square root of 165975416 is about 12883.1446471737. The cubic root of 165975416 is about 549.5593340804.

The spelling of 165975416 in words is "one hundred sixty-five million, nine hundred seventy-five thousand, four hundred sixteen".