163678112641 has 8 divisors (see below), whose sum is σ = 176243631840. Its totient is φ = 151438970688.

The previous prime is 163678112629. The next prime is 163678112651. The reversal of 163678112641 is 146211876361.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 163678112641 - 2⁷ = 163678112513 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 163678112591 and 163678112600.

It is not an unprimeable number, because it can be changed into a prime (163678112651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81593271 + ... + 81595276.

It is an arithmetic number, because the mean of its divisors is an integer number (22030453980).

Almost surely, 2^163678112641 is an apocalyptic number.

It is an amenable number.

163678112641 is a deficient number, since it is larger than the sum of its proper divisors (12565519199).

163678112641 is a wasteful number, since it uses less digits than its factorization.

163678112641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163188623.

The product of its digits is 290304, while the sum is 46.

The spelling of 163678112641 in words is "one hundred sixty-three billion, six hundred seventy-eight million, one hundred twelve thousand, six hundred forty-one".