163601603261255 has 8 divisors (see below), whose sum is σ = 196363403325792. Its totient is φ = 130853629667488.

The previous prime is 163601603261207. The next prime is 163601603261263. The reversal of 163601603261255 is 552162306106361.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 163601603261255 - 2⁸ = 163601603260999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3456591659 + ... + 3456638988.

It is an arithmetic number, because the mean of its divisors is an integer number (24545425415724).

Almost surely, 2^{163601603261255} is an apocalyptic number.

163601603261255 is a deficient number, since it is larger than the sum of its proper divisors (32761800064537).

163601603261255 is an equidigital number, since it uses as much as digits as its factorization.

163601603261255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6913235385.

The product of its (nonzero) digits is 1166400, while the sum is 47.

The spelling of 163601603261255 in words is "one hundred sixty-three trillion, six hundred one billion, six hundred three million, two hundred sixty-one thousand, two hundred fifty-five".