163606220442250 has 64 divisors (see below), whose sum is σ = 306437451780096. Its totient is φ = 65406898656000.

The previous prime is 163606220442221. The next prime is 163606220442317. The reversal of 163606220442250 is 52244022606361.

It is a junction number, because it is equal to n+sod(n) for n = 163606220442197 and 163606220442206.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3749576434 + ... + 3749620066.

It is an arithmetic number, because the mean of its divisors is an integer number (4788085184064).

Almost surely, 2^{163606220442250} is an apocalyptic number.

163606220442250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

163606220442250 is a deficient number, since it is larger than the sum of its proper divisors (142831231337846).

163606220442250 is a wasteful number, since it uses less digits than its factorization.

163606220442250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51464 (or 51454 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 43.

The spelling of 163606220442250 in words is "one hundred sixty-three trillion, six hundred six billion, two hundred twenty million, four hundred forty-two thousand, two hundred fifty".