163965290763593 has 24 divisors (see below), whose sum is σ = 181979297467968. Its totient is φ = 147609568260000.

The previous prime is 163965290763587. The next prime is 163965290763601. The reversal of 163965290763593 is 395367092569361.

It is not a de Polignac number, because 163965290763593 - 2¹⁰ = 163965290762569 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 163965290763593.

It is not an unprimeable number, because it can be changed into a prime (163965290763553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1212594758 + ... + 1212729968.

It is an arithmetic number, because the mean of its divisors is an integer number (7582470727832).

Almost surely, 2^{163965290763593} is an apocalyptic number.

It is an amenable number.

163965290763593 is a deficient number, since it is larger than the sum of its proper divisors (18014006704375).

163965290763593 is a wasteful number, since it uses less digits than its factorization.

163965290763593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232637 (or 232626 counting only the distinct ones).

The product of its (nonzero) digits is 1488034800, while the sum is 74.

The spelling of 163965290763593 in words is "one hundred sixty-three trillion, nine hundred sixty-five billion, two hundred ninety million, seven hundred sixty-three thousand, five hundred ninety-three".