165970867 has 8 divisors (see below), whose sum is σ = 168210000. Its totient is φ = 163737600.

The previous prime is 165970817. The next prime is 165970873. The reversal of 165970867 is 768079561.

165970867 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-165970867 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 165970867.

It is not an unprimeable number, because it can be changed into a prime (165970817) 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, 102867 + ... + 104467.

It is an arithmetic number, because the mean of its divisors is an integer number (21026250).

Almost surely, 2^165970867 is an apocalyptic number.

165970867 is a deficient number, since it is larger than the sum of its proper divisors (2239133).

165970867 is a wasteful number, since it uses less digits than its factorization.

165970867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2933.

The product of its (nonzero) digits is 635040, while the sum is 49.

The square root of 165970867 is about 12882.9680974533. The cubic root of 165970867 is about 549.5543133202.

The spelling of 165970867 in words is "one hundred sixty-five million, nine hundred seventy thousand, eight hundred sixty-seven".