165050813769 has 16 divisors (see below), whose sum is σ = 228421799424. Its totient is φ = 105896073600.

The previous prime is 165050813747. The next prime is 165050813827. The reversal of 165050813769 is 967318050561.

It is not a de Polignac number, because 165050813769 - 2⁸ = 165050813513 is a prime.

It is a super-2 number, since 2×165050813769² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (165054813769) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4885764 + ... + 4919429.

It is an arithmetic number, because the mean of its divisors is an integer number (14276362464).

Almost surely, 2^165050813769 is an apocalyptic number.

It is an amenable number.

165050813769 is a deficient number, since it is larger than the sum of its proper divisors (63370985655).

165050813769 is a wasteful number, since it uses less digits than its factorization.

165050813769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9805408.

The product of its (nonzero) digits is 1360800, while the sum is 51.

The spelling of 165050813769 in words is "one hundred sixty-five billion, fifty million, eight hundred thirteen thousand, seven hundred sixty-nine".