165484799 has 2 divisors, whose sum is σ = 165484800. Its totient is φ = 165484798.

The previous prime is 165484729. The next prime is 165484801. The reversal of 165484799 is 997484561.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-165484799 is a prime.

Together with 165484801, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 165484799.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (165484729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82742399 + 82742400.

It is an arithmetic number, because the mean of its divisors is an integer number (82742400).

Almost surely, 2^165484799 is an apocalyptic number.

165484799 is a deficient number, since it is larger than the sum of its proper divisors (1).

165484799 is an equidigital number, since it uses as much as digits as its factorization.

165484799 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2177280, while the sum is 53.

The square root of 165484799 is about 12864.0895130592. The cubic root of 165484799 is about 549.0173075146.

The spelling of 165484799 in words is "one hundred sixty-five million, four hundred eighty-four thousand, seven hundred ninety-nine".