163220251203106 has 16 divisors (see below), whose sum is σ = 245555954379000. Its totient is φ = 81368472866688.

The previous prime is 163220251203049. The next prime is 163220251203109. The reversal of 163220251203106 is 601302152022361.

It can be written as a sum of positive squares in 4 ways, for example, as 134242927005625 + 28977324197481 = 11586325^2 + 5383059^2 .

It is not an unprimeable number, because it can be changed into a prime (163220251203109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50031781 + ... + 53194168.

Almost surely, 2^{163220251203106} is an apocalyptic number.

163220251203106 is a deficient number, since it is larger than the sum of its proper divisors (82335703175894).

163220251203106 is a wasteful number, since it uses less digits than its factorization.

163220251203106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103228293.

The product of its (nonzero) digits is 25920, while the sum is 34.

The spelling of 163220251203106 in words is "one hundred sixty-three trillion, two hundred twenty billion, two hundred fifty-one million, two hundred three thousand, one hundred six".