165011996 has 12 divisors (see below), whose sum is σ = 305757648. Its totient is φ = 77652672.

The previous prime is 165011983. The next prime is 165011999. The reversal of 165011996 is 699110561.

It is a happy number.

165011996 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 not an unprimeable number, because it can be changed into a prime (165011999) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1213256 + ... + 1213391.

It is an arithmetic number, because the mean of its divisors is an integer number (25479804).

Almost surely, 2^165011996 is an apocalyptic number.

It is an amenable number.

165011996 is a deficient number, since it is larger than the sum of its proper divisors (140745652).

165011996 is a wasteful number, since it uses less digits than its factorization.

165011996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2426668 (or 2426666 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 38.

The square root of 165011996 is about 12845.6995138451. The cubic root of 165011996 is about 548.4939469897.

The spelling of 165011996 in words is "one hundred sixty-five million, eleven thousand, nine hundred ninety-six".