163146505775 has 12 divisors (see below), whose sum is σ = 220692728184. Its totient is φ = 118652004000.

The previous prime is 163146505763. The next prime is 163146505813. The reversal of 163146505775 is 577505641361.

It is not a de Polignac number, because 163146505775 - 2⁸ = 163146505519 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 11 ways as a sum of consecutive naturals, for example, 296629736 + ... + 296630285.

It is an arithmetic number, because the mean of its divisors is an integer number (18391060682).

Almost surely, 2^163146505775 is an apocalyptic number.

163146505775 is a deficient number, since it is larger than the sum of its proper divisors (57546222409).

163146505775 is a wasteful number, since it uses less digits than its factorization.

163146505775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 593260042 (or 593260037 counting only the distinct ones).

The product of its (nonzero) digits is 2646000, while the sum is 50.

The spelling of 163146505775 in words is "one hundred sixty-three billion, one hundred forty-six million, five hundred five thousand, seven hundred seventy-five".