163283424376281 has 16 divisors (see below), whose sum is σ = 240848277700608. Its totient is φ = 97565853232400.

The previous prime is 163283424376253. The next prime is 163283424376291. The reversal of 163283424376281 is 182673424382361.

It is a cyclic number.

It is not a de Polignac number, because 163283424376281 - 2⁵ = 163283424376249 is a prime.

It is a super-2 number, since 2×163283424376281² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (163283424376231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34844945241 + ... + 34844949926.

It is an arithmetic number, because the mean of its divisors is an integer number (15053017356288).

Almost surely, 2^{163283424376281} is an apocalyptic number.

163283424376281 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

163283424376281 is a deficient number, since it is larger than the sum of its proper divisors (77564853324327).

163283424376281 is a wasteful number, since it uses less digits than its factorization.

163283424376281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69689895252.

The product of its digits is 55738368, while the sum is 60.

The spelling of 163283424376281 in words is "one hundred sixty-three trillion, two hundred eighty-three billion, four hundred twenty-four million, three hundred seventy-six thousand, two hundred eighty-one".