165150611 has 2 divisors, whose sum is σ = 165150612. Its totient is φ = 165150610.

The previous prime is 165150589. The next prime is 165150613. The reversal of 165150611 is 116051561.

It is a strong prime.

It is an emirp because it is prime and its reverse (116051561) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 165150611 - 2¹⁸ = 164888467 is a prime.

Together with 165150613, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (165150613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82575305 + 82575306.

It is an arithmetic number, because the mean of its divisors is an integer number (82575306).

Almost surely, 2^165150611 is an apocalyptic number.

165150611 is a deficient number, since it is larger than the sum of its proper divisors (1).

165150611 is an equidigital number, since it uses as much as digits as its factorization.

165150611 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 900, while the sum is 26.

The square root of 165150611 is about 12851.0937666799. The cubic root of 165150611 is about 548.6474877650.

The spelling of 165150611 in words is "one hundred sixty-five million, one hundred fifty thousand, six hundred eleven".