164245566243165 has 256 divisors, whose sum is σ = 301628744524800. Its totient is φ = 75619359129600.

The previous prime is 164245566243133. The next prime is 164245566243197. The reversal of 164245566243165 is 561342665542461.

It is an interprime number because it is at equal distance from previous prime (164245566243133) and next prime (164245566243197).

It is not a de Polignac number, because 164245566243165 - 2⁵ = 164245566243133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 164245566243099 and 164245566243108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 24481374831 + ... + 24481381539.

It is an arithmetic number, because the mean of its divisors is an integer number (1178237283300).

Almost surely, 2^{164245566243165} is an apocalyptic number.

164245566243165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

164245566243165 is a deficient number, since it is larger than the sum of its proper divisors (137383178281635).

164245566243165 is a wasteful number, since it uses less digits than its factorization.

164245566243165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7488.

The product of its digits is 124416000, while the sum is 60.

The spelling of 164245566243165 in words is "one hundred sixty-four trillion, two hundred forty-five billion, five hundred sixty-six million, two hundred forty-three thousand, one hundred sixty-five".