163061599073 has 32 divisors (see below), whose sum is σ = 183806853120. Its totient is φ = 143920385280.

The previous prime is 163061599049. The next prime is 163061599079. The reversal of 163061599073 is 370995160361.

It is a cyclic number.

It is not a de Polignac number, because 163061599073 - 2⁶ = 163061599009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (163061599079) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2849618 + ... + 2906276.

It is an arithmetic number, because the mean of its divisors is an integer number (5743964160).

Almost surely, 2^163061599073 is an apocalyptic number.

It is an amenable number.

163061599073 is a deficient number, since it is larger than the sum of its proper divisors (20745254047).

163061599073 is a wasteful number, since it uses less digits than its factorization.

163061599073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56877.

The product of its (nonzero) digits is 918540, while the sum is 50.

The spelling of 163061599073 in words is "one hundred sixty-three billion, sixty-one million, five hundred ninety-nine thousand, seventy-three".