163612860678144 has 952 divisors, whose sum is σ = 515023013869824. Its totient is φ = 51884457984000.

The previous prime is 163612860678139. The next prime is 163612860678151. The reversal of 163612860678144 is 441876068216361.

163612860678144 is a `hidden beast` number, since 1 + 6 + 3 + 6 + 1 + 2 + 8 + 606 + 7 + 8 + 14 + 4 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 90343930999 + ... + 90343932809.

Almost surely, 2^{163612860678144} 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 163612860678144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (257511506934912).

163612860678144 is an abundant number, since it is smaller than the sum of its proper divisors (351410153191680).

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

163612860678144 is an frugal number, since it uses more digits than its factorization.

163612860678144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1953 (or 1908 counting only the distinct ones).

The product of its (nonzero) digits is 55738368, while the sum is 63.

The spelling of 163612860678144 in words is "one hundred sixty-three trillion, six hundred twelve billion, eight hundred sixty million, six hundred seventy-eight thousand, one hundred forty-four".