165092744381 has 2 divisors, whose sum is σ = 165092744382. Its totient is φ = 165092744380.

The previous prime is 165092744287. The next prime is 165092744389. The reversal of 165092744381 is 183447290561.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 163790184100 + 1302560281 = 404710^2 + 36091^2 .

It is an emirp because it is prime and its reverse (183447290561) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-165092744381 is a prime.

It is a super-2 number, since 2×165092744381² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (165092744389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82546372190 + 82546372191.

It is an arithmetic number, because the mean of its divisors is an integer number (82546372191).

It is a 1-persistent number, because it is pandigital, but 2⋅165092744381 = 330185488762 is not.

Almost surely, 2^165092744381 is an apocalyptic number.

It is an amenable number.

165092744381 is a deficient number, since it is larger than the sum of its proper divisors (1).

165092744381 is an equidigital number, since it uses as much as digits as its factorization.

165092744381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1451520, while the sum is 50.

The spelling of 165092744381 in words is "one hundred sixty-five billion, ninety-two million, seven hundred forty-four thousand, three hundred eighty-one".