165827633 has 2 divisors, whose sum is σ = 165827634. Its totient is φ = 165827632.

The previous prime is 165827621. The next prime is 165827743. The reversal of 165827633 is 336728561.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 163660849 + 2166784 = 12793^2 + 1472^2 .

It is a cyclic number.

It is not a de Polignac number, because 165827633 - 2¹⁴ = 165811249 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (165827933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82913816 + 82913817.

It is an arithmetic number, because the mean of its divisors is an integer number (82913817).

Almost surely, 2^165827633 is an apocalyptic number.

It is an amenable number.

165827633 is a deficient number, since it is larger than the sum of its proper divisors (1).

165827633 is an equidigital number, since it uses as much as digits as its factorization.

165827633 is an evil number, because the sum of its binary digits is even.

The product of its digits is 181440, while the sum is 41.

The square root of 165827633 is about 12877.4078525144. The cubic root of 165827633 is about 549.3961781032.

The spelling of 165827633 in words is "one hundred sixty-five million, eight hundred twenty-seven thousand, six hundred thirty-three".