165614240501 has 2 divisors, whose sum is σ = 165614240502. Its totient is φ = 165614240500.

The previous prime is 165614240437. The next prime is 165614240503. The reversal of 165614240501 is 105042416561.

165614240501 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 128575313476 + 37038927025 = 358574^2 + 192455^2 .

It is a cyclic number.

It is not a de Polignac number, because 165614240501 - 2⁶ = 165614240437 is a prime.

Together with 165614240503, 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 (165614240503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82807120250 + 82807120251.

It is an arithmetic number, because the mean of its divisors is an integer number (82807120251).

Almost surely, 2^165614240501 is an apocalyptic number.

It is an amenable number.

165614240501 is a deficient number, since it is larger than the sum of its proper divisors (1).

165614240501 is an equidigital number, since it uses as much as digits as its factorization.

165614240501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28800, while the sum is 35.

The spelling of 165614240501 in words is "one hundred sixty-five billion, six hundred fourteen million, two hundred forty thousand, five hundred one".