163968004277 has 16 divisors (see below), whose sum is σ = 211476873600. Its totient is φ = 123361506240.

The previous prime is 163968004241. The next prime is 163968004289. The reversal of 163968004277 is 772400869361.

It is not a de Polignac number, because 163968004277 - 2²⁰ = 163966955701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163968004217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36712502 + ... + 36716967.

It is an arithmetic number, because the mean of its divisors is an integer number (13217304600).

Almost surely, 2^163968004277 is an apocalyptic number.

It is an amenable number.

163968004277 is a deficient number, since it is larger than the sum of its proper divisors (47508869323).

163968004277 is a wasteful number, since it uses less digits than its factorization.

163968004277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73429516.

The product of its (nonzero) digits is 3048192, while the sum is 53.

The spelling of 163968004277 in words is "one hundred sixty-three billion, nine hundred sixty-eight million, four thousand, two hundred seventy-seven".