165593033 has 2 divisors, whose sum is σ = 165593034. Its totient is φ = 165593032.

The previous prime is 165593017. The next prime is 165593053. The reversal of 165593033 is 330395561.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 117332224 + 48260809 = 10832^2 + 6947^2 .

It is a cyclic number.

It is not a de Polignac number, because 165593033 - 2⁴ = 165593017 is a prime.

It is equal to p_9270179 and since 165593033 and 9270179 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 165592984 and 165593002.

It is not a weakly prime, because it can be changed into another prime (165593003) 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, 82796516 + 82796517.

It is an arithmetic number, because the mean of its divisors is an integer number (82796517).

Almost surely, 2^165593033 is an apocalyptic number.

It is an amenable number.

165593033 is a deficient number, since it is larger than the sum of its proper divisors (1).

165593033 is an equidigital number, since it uses as much as digits as its factorization.

165593033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36450, while the sum is 35.

The square root of 165593033 is about 12868.2956524942. The cubic root of 165593033 is about 549.1369748787.

The spelling of 165593033 in words is "one hundred sixty-five million, five hundred ninety-three thousand, thirty-three".