163034720285 has 8 divisors (see below), whose sum is σ = 197182150656. Its totient is φ = 129400785360.

The previous prime is 163034720279. The next prime is 163034720297. The reversal of 163034720285 is 582027430361.

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

It is not a de Polignac number, because 163034720285 - 2¹⁸ = 163034458141 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, 128373161 + ... + 128374430.

It is an arithmetic number, because the mean of its divisors is an integer number (24647768832).

Almost surely, 2^163034720285 is an apocalyptic number.

It is an amenable number.

163034720285 is a deficient number, since it is larger than the sum of its proper divisors (34147430371).

163034720285 is a wasteful number, since it uses less digits than its factorization.

163034720285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256747723.

The product of its (nonzero) digits is 241920, while the sum is 41.

The spelling of 163034720285 in words is "one hundred sixty-three billion, thirty-four million, seven hundred twenty thousand, two hundred eighty-five".