163612050433056 has 144 divisors (see below), whose sum is σ = 492702309616608. Its totient is φ = 51322851072000.

The previous prime is 163612050433043. The next prime is 163612050433057. The reversal of 163612050433056 is 650334050216361.

163612050433056 is a `hidden beast` number, since 1 + 6 + 3 + 6 + 1 + 205 + 0 + 433 + 0 + 5 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is not an unprimeable number, because it can be changed into a prime (163612050433057) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37136131 + ... + 41307581.

It is an arithmetic number, because the mean of its divisors is an integer number (3421543816782).

Almost surely, 2^{163612050433056} is an apocalyptic number.

163612050433056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 163612050433056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (246351154808304).

163612050433056 is an abundant number, since it is smaller than the sum of its proper divisors (329090259183552).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

163612050433056 is a wasteful number, since it uses less digits than its factorization.

163612050433056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4179495 (or 4179484 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 45.

The spelling of 163612050433056 in words is "one hundred sixty-three trillion, six hundred twelve billion, fifty million, four hundred thirty-three thousand, fifty-six".