165143335034611 has 2 divisors, whose sum is σ = 165143335034612. Its totient is φ = 165143335034610.

The previous prime is 165143335034609. The next prime is 165143335034617. The reversal of 165143335034611 is 116430533341561.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 165143335034611 - 2¹ = 165143335034609 is a prime.

It is a super-2 number, since 2×165143335034611² (a number of 29 digits) contains 22 as substring.

Together with 165143335034609, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (165143335034617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82571667517305 + 82571667517306.

It is an arithmetic number, because the mean of its divisors is an integer number (82571667517306).

Almost surely, 2^{165143335034611} is an apocalyptic number.

165143335034611 is a deficient number, since it is larger than the sum of its proper divisors (1).

165143335034611 is an equidigital number, since it uses as much as digits as its factorization.

165143335034611 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1166400, while the sum is 46.

The spelling of 165143335034611 in words is "one hundred sixty-five trillion, one hundred forty-three billion, three hundred thirty-five million, thirty-four thousand, six hundred eleven".