165679063 has 4 divisors (see below), whose sum is σ = 180740808. Its totient is φ = 150617320.

The previous prime is 165679061. The next prime is 165679109. The reversal of 165679063 is 360976561.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 165679063 - 2¹ = 165679061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165679061) 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, 7530856 + ... + 7530877.

It is an arithmetic number, because the mean of its divisors is an integer number (45185202).

Almost surely, 2^165679063 is an apocalyptic number.

165679063 is a deficient number, since it is larger than the sum of its proper divisors (15061745).

165679063 is a wasteful number, since it uses less digits than its factorization.

165679063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15061744.

The product of its (nonzero) digits is 204120, while the sum is 43.

The square root of 165679063 is about 12871.6379299606. The cubic root of 165679063 is about 549.2320555195.

The spelling of 165679063 in words is "one hundred sixty-five million, six hundred seventy-nine thousand, sixty-three".