163446652352165 has 64 divisors (see below), whose sum is σ = 243171684112896. Its totient is φ = 102696320765952.

The previous prime is 163446652352161. The next prime is 163446652352201. The reversal of 163446652352165 is 561253256644361.

It is a cyclic number.

It is not a de Polignac number, because 163446652352165 - 2² = 163446652352161 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163446652352161) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1680066614 + ... + 1680163896.

It is an arithmetic number, because the mean of its divisors is an integer number (3799557564264).

Almost surely, 2^{163446652352165} is an apocalyptic number.

It is an amenable number.

163446652352165 is a deficient number, since it is larger than the sum of its proper divisors (79725031760731).

163446652352165 is a wasteful number, since it uses less digits than its factorization.

163446652352165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124398.

The product of its digits is 93312000, while the sum is 59.

The spelling of 163446652352165 in words is "one hundred sixty-three trillion, four hundred forty-six billion, six hundred fifty-two million, three hundred fifty-two thousand, one hundred sixty-five".