163146220044122 has 24 divisors (see below), whose sum is σ = 286104026570400. Its totient is φ = 69568452759960.

The previous prime is 163146220044091. The next prime is 163146220044133. The reversal of 163146220044122 is 221440022641361.

It is a super-2 number, since 2×163146220044122² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4182787904 + ... + 4182826907.

It is an arithmetic number, because the mean of its divisors is an integer number (11921001107100).

Almost surely, 2^{163146220044122} is an apocalyptic number.

163146220044122 is a deficient number, since it is larger than the sum of its proper divisors (122957806526278).

163146220044122 is a wasteful number, since it uses less digits than its factorization.

163146220044122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8365615026 (or 8365615019 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 38.

Adding to 163146220044122 its reverse (221440022641361), we get a palindrome (384586242685483).

The spelling of 163146220044122 in words is "one hundred sixty-three trillion, one hundred forty-six billion, two hundred twenty million, forty-four thousand, one hundred twenty-two".