165900068 has 24 divisors (see below), whose sum is σ = 303972480. Its totient is φ = 79120160.

The previous prime is 165900067. The next prime is 165900113. The reversal of 165900068 is 860009561.

It is not an unprimeable number, because it can be changed into a prime (165900061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1013 + ... + 18243.

It is an arithmetic number, because the mean of its divisors is an integer number (12665520).

Almost surely, 2^165900068 is an apocalyptic number.

It is an amenable number.

165900068 is a deficient number, since it is larger than the sum of its proper divisors (138072412).

165900068 is a wasteful number, since it uses less digits than its factorization.

165900068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17347 (or 17345 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 165900068 is about 12880.2200291765. The cubic root of 165900068 is about 549.4761601877.

The spelling of 165900068 in words is "one hundred sixty-five million, nine hundred thousand, sixty-eight".