165018229079 has 8 divisors (see below), whose sum is σ = 180316466688. Its totient is φ = 149769421560.

The previous prime is 165018229027. The next prime is 165018229109. The reversal of 165018229079 is 970922810561.

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

It is not a de Polignac number, because 165018229079 - 2¹⁶ = 165018163543 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 (165018229279) 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, 12350537 + ... + 12363890.

It is an arithmetic number, because the mean of its divisors is an integer number (22539558336).

Almost surely, 2^165018229079 is an apocalyptic number.

165018229079 is a deficient number, since it is larger than the sum of its proper divisors (15298237609).

165018229079 is a wasteful number, since it uses less digits than its factorization.

165018229079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24715045.

The product of its (nonzero) digits is 544320, while the sum is 50.

The spelling of 165018229079 in words is "one hundred sixty-five billion, eighteen million, two hundred twenty-nine thousand, seventy-nine".