163235455912 has 16 divisors (see below), whose sum is σ = 307257403860. Its totient is φ = 81300148224.

The previous prime is 163235455871. The next prime is 163235455961. The reversal of 163235455912 is 219554532361.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 96829258276 + 66406197636 = 311174^2 + 257694^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39695283 + ... + 39699394.

Almost surely, 2^163235455912 is an apocalyptic number.

It is an amenable number.

163235455912 is a deficient number, since it is larger than the sum of its proper divisors (144021947948).

163235455912 is a wasteful number, since it uses less digits than its factorization.

163235455912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79394940 (or 79394936 counting only the distinct ones).

The product of its digits is 972000, while the sum is 46.

The spelling of 163235455912 in words is "one hundred sixty-three billion, two hundred thirty-five million, four hundred fifty-five thousand, nine hundred twelve".