163828531185 has 16 divisors (see below), whose sum is σ = 285955254720. Its totient is φ = 79432015040.

The previous prime is 163828531183. The next prime is 163828531219. The reversal of 163828531185 is 581135828361.

It is not a de Polignac number, because 163828531185 - 2¹ = 163828531183 is a prime.

It is not an unprimeable number, because it can be changed into a prime (163828531183) 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, 496449930 + ... + 496450259.

It is an arithmetic number, because the mean of its divisors is an integer number (17872203420).

Almost surely, 2^163828531185 is an apocalyptic number.

163828531185 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

163828531185 is a deficient number, since it is larger than the sum of its proper divisors (122126723535).

163828531185 is a wasteful number, since it uses less digits than its factorization.

163828531185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 992900208.

The product of its digits is 1382400, while the sum is 51.

The spelling of 163828531185 in words is "one hundred sixty-three billion, eight hundred twenty-eight million, five hundred thirty-one thousand, one hundred eighty-five".