163066400600646 has 16 divisors (see below), whose sum is σ = 326134496679984. Its totient is φ = 54355184287104.

The previous prime is 163066400600629. The next prime is 163066400600657. The reversal of 163066400600646 is 646006004660361.

163066400600646 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 163066400600595 and 163066400600604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69392935 + ... + 71704338.

It is an arithmetic number, because the mean of its divisors is an integer number (20383406042499).

Almost surely, 2^{163066400600646} is an apocalyptic number.

163066400600646 is an abundant number, since it is smaller than the sum of its proper divisors (163068096079338).

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

163066400600646 is a wasteful number, since it uses less digits than its factorization.

163066400600646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141289895.

The product of its (nonzero) digits is 2239488, while the sum is 48.

The spelling of 163066400600646 in words is "one hundred sixty-three trillion, sixty-six billion, four hundred million, six hundred thousand, six hundred forty-six".