165480719 has 2 divisors, whose sum is σ = 165480720. Its totient is φ = 165480718.

The previous prime is 165480677. The next prime is 165480767. The reversal of 165480719 is 917084561.

165480719 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 165480719 - 2¹⁶ = 165415183 is a prime.

It is a super-2 number, since 2×165480719² = 54767736721513922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (165480769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82740359 + 82740360.

It is an arithmetic number, because the mean of its divisors is an integer number (82740360).

Almost surely, 2^165480719 is an apocalyptic number.

165480719 is a deficient number, since it is larger than the sum of its proper divisors (1).

165480719 is an equidigital number, since it uses as much as digits as its factorization.

165480719 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 41.

The square root of 165480719 is about 12863.9309310957. The cubic root of 165480719 is about 549.0127955009.

The spelling of 165480719 in words is "one hundred sixty-five million, four hundred eighty thousand, seven hundred nineteen".