165660060611 has 2 divisors, whose sum is σ = 165660060612. Its totient is φ = 165660060610.

The previous prime is 165660060571. The next prime is 165660060641. The reversal of 165660060611 is 116060066561.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (116060066561) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-165660060611 is a prime.

It is not a weakly prime, because it can be changed into another prime (165660060641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82830030305 + 82830030306.

It is an arithmetic number, because the mean of its divisors is an integer number (82830030306).

Almost surely, 2^165660060611 is an apocalyptic number.

165660060611 is a deficient number, since it is larger than the sum of its proper divisors (1).

165660060611 is an equidigital number, since it uses as much as digits as its factorization.

165660060611 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 38.

The spelling of 165660060611 in words is "one hundred sixty-five billion, six hundred sixty million, sixty thousand, six hundred eleven".