165350736719 has 12 divisors (see below), whose sum is σ = 192426297264. Its totient is φ = 141670607904.

The previous prime is 165350736709. The next prime is 165350736721. The reversal of 165350736719 is 917637053561.

It is not a de Polignac number, because 165350736719 - 2²⁴ = 165333959503 is a prime.

It is a super-2 number, since 2×165350736719² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165350736709) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 577622 + ... + 815075.

It is an arithmetic number, because the mean of its divisors is an integer number (16035524772).

Almost surely, 2^165350736719 is an apocalyptic number.

165350736719 is a deficient number, since it is larger than the sum of its proper divisors (27075560545).

165350736719 is a wasteful number, since it uses less digits than its factorization.

165350736719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1395134 (or 1395127 counting only the distinct ones).

The product of its (nonzero) digits is 3572100, while the sum is 53.

The spelling of 165350736719 in words is "one hundred sixty-five billion, three hundred fifty million, seven hundred thirty-six thousand, seven hundred nineteen".