165632153 has 2 divisors, whose sum is σ = 165632154. Its totient is φ = 165632152.

The previous prime is 165632143. The next prime is 165632161. The reversal of 165632153 is 351236561.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 100861849 + 64770304 = 10043^2 + 8048^2 .

It is a cyclic number.

It is not a de Polignac number, because 165632153 - 2²⁶ = 98523289 is a prime.

It is not a weakly prime, because it can be changed into another prime (165632143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82816076 + 82816077.

It is an arithmetic number, because the mean of its divisors is an integer number (82816077).

Almost surely, 2^165632153 is an apocalyptic number.

It is an amenable number.

165632153 is a deficient number, since it is larger than the sum of its proper divisors (1).

165632153 is an equidigital number, since it uses as much as digits as its factorization.

165632153 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16200, while the sum is 32.

The square root of 165632153 is about 12869.8155775442. The cubic root of 165632153 is about 549.1802145139.

The spelling of 165632153 in words is "one hundred sixty-five million, six hundred thirty-two thousand, one hundred fifty-three".