165349963 has 2 divisors, whose sum is σ = 165349964. Its totient is φ = 165349962.

The previous prime is 165349957. The next prime is 165349969. The reversal of 165349963 is 369943561.

165349963 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (165349957) and next prime (165349969).

It is a cyclic number.

It is not a de Polignac number, because 165349963 - 2⁵ = 165349931 is a prime.

It is a super-2 number, since 2×165349963² = 54681220528202738, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (165349969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82674981 + 82674982.

It is an arithmetic number, because the mean of its divisors is an integer number (82674982).

Almost surely, 2^165349963 is an apocalyptic number.

165349963 is a deficient number, since it is larger than the sum of its proper divisors (1).

165349963 is an equidigital number, since it uses as much as digits as its factorization.

165349963 is an evil number, because the sum of its binary digits is even.

The product of its digits is 524880, while the sum is 46.

The square root of 165349963 is about 12858.8476544362. The cubic root of 165349963 is about 548.8681550186.

The spelling of 165349963 in words is "one hundred sixty-five million, three hundred forty-nine thousand, nine hundred sixty-three".