165464066233 has 2 divisors, whose sum is σ = 165464066234. Its totient is φ = 165464066232.

The previous prime is 165464066167. The next prime is 165464066279. The reversal of 165464066233 is 332660464561.

It is an a-pointer prime, because the next prime (165464066279) can be obtained adding 165464066233 to its sum of digits (46).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 103975937209 + 61488129024 = 322453^2 + 247968^2 .

It is a cyclic number.

It is not a de Polignac number, because 165464066233 - 2²¹ = 165461969081 is a prime.

It is a super-2 number, since 2×165464066233² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (165464060233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82732033116 + 82732033117.

It is an arithmetic number, because the mean of its divisors is an integer number (82732033117).

Almost surely, 2^165464066233 is an apocalyptic number.

It is an amenable number.

165464066233 is a deficient number, since it is larger than the sum of its proper divisors (1).

165464066233 is an equidigital number, since it uses as much as digits as its factorization.

165464066233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1866240, while the sum is 46.

The spelling of 165464066233 in words is "one hundred sixty-five billion, four hundred sixty-four million, sixty-six thousand, two hundred thirty-three".