165614498741 has 2 divisors, whose sum is σ = 165614498742. Its totient is φ = 165614498740.

The previous prime is 165614498737. The next prime is 165614498743. The reversal of 165614498741 is 147894416561.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 134196936241 + 31417562500 = 366329^2 + 177250^2 .

It is a cyclic number.

It is not a de Polignac number, because 165614498741 - 2² = 165614498737 is a prime.

Together with 165614498743, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (165614498743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82807249370 + 82807249371.

It is an arithmetic number, because the mean of its divisors is an integer number (82807249371).

Almost surely, 2^165614498741 is an apocalyptic number.

It is an amenable number.

165614498741 is a deficient number, since it is larger than the sum of its proper divisors (1).

165614498741 is an equidigital number, since it uses as much as digits as its factorization.

165614498741 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5806080, while the sum is 56.

The spelling of 165614498741 in words is "one hundred sixty-five billion, six hundred fourteen million, four hundred ninety-eight thousand, seven hundred forty-one".