163575375663 has 64 divisors (see below), whose sum is σ = 259581271040. Its totient is φ = 89678057472.

The previous prime is 163575375659. The next prime is 163575375671. The reversal of 163575375663 is 366573575361.

It is not a de Polignac number, because 163575375663 - 2² = 163575375659 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163575374663) 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, 21325593 + ... + 21333261.

It is an arithmetic number, because the mean of its divisors is an integer number (4055957360).

Almost surely, 2^163575375663 is an apocalyptic number.

163575375663 is a deficient number, since it is larger than the sum of its proper divisors (96005895377).

163575375663 is a wasteful number, since it uses less digits than its factorization.

163575375663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8096.

The product of its digits is 35721000, while the sum is 57.

The spelling of 163575375663 in words is "one hundred sixty-three billion, five hundred seventy-five million, three hundred seventy-five thousand, six hundred sixty-three".