163047816 has 240 divisors, whose sum is σ = 522785340. Its totient is φ = 47278080.

The previous prime is 163047791. The next prime is 163047823. The reversal of 163047816 is 618740361.

163047816 is a `hidden beast` number, since 1 + 630 + 4 + 7 + 8 + 16 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 160123716 + 2924100 = 12654^2 + 1710^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 3976756 + ... + 3976796.

Almost surely, 2^163047816 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 163047816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (261392670).

163047816 is an abundant number, since it is smaller than the sum of its proper divisors (359737524).

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

163047816 is a wasteful number, since it uses less digits than its factorization.

163047816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114 (or 82 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 163047816 is about 12769.0178165746. The cubic root of 163047816 is about 546.3089665393.

The spelling of 163047816 in words is "one hundred sixty-three million, forty-seven thousand, eight hundred sixteen".