165315424456065 has 32 divisors (see below), whose sum is σ = 294039941078016. Its totient is φ = 78760698497280.

The previous prime is 165315424456031. The next prime is 165315424456069. The reversal of 165315424456065 is 560654424513561.

165315424456065 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 165315424456065 - 2¹⁷ = 165315424324993 is a prime.

It is a super-2 number, since 2×165315424456065² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 165315424455996 and 165315424456014.

It is not an unprimeable number, because it can be changed into a prime (165315424456069) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13673726334 + ... + 13673738423.

It is an arithmetic number, because the mean of its divisors is an integer number (9188748158688).

Almost surely, 2^{165315424456065} is an apocalyptic number.

165315424456065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

165315424456065 is a deficient number, since it is larger than the sum of its proper divisors (128724516621951).

165315424456065 is a wasteful number, since it uses less digits than its factorization.

165315424456065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27347464809.

The product of its (nonzero) digits is 51840000, while the sum is 57.

The spelling of 165315424456065 in words is "one hundred sixty-five trillion, three hundred fifteen billion, four hundred twenty-four million, four hundred fifty-six thousand, sixty-five".