163112223631406 has 32 divisors (see below), whose sum is σ = 279688374282240. Its totient is φ = 69888385512000.

The previous prime is 163112223631397. The next prime is 163112223631457. The reversal of 163112223631406 is 604136322211361.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1391220935 + ... + 1391338173.

It is an arithmetic number, because the mean of its divisors is an integer number (8740261696320).

Almost surely, 2^{163112223631406} is an apocalyptic number.

163112223631406 is a deficient number, since it is larger than the sum of its proper divisors (116576150650834).

163112223631406 is a wasteful number, since it uses less digits than its factorization.

163112223631406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140360.

The product of its (nonzero) digits is 186624, while the sum is 41.

Adding to 163112223631406 its reverse (604136322211361), we get a palindrome (767248545842767).

The spelling of 163112223631406 in words is "one hundred sixty-three trillion, one hundred twelve billion, two hundred twenty-three million, six hundred thirty-one thousand, four hundred six".