14163142081 has 27 divisors (see below), whose sum is σ = 16132360419. Its totient is φ = 12424539600.

The previous prime is 14163142079. The next prime is 14163142087. The reversal of 14163142081 is 18024136141.

The square root of 14163142081 is 119009.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 10395637681 + 3767504400 = 101959^2 + 61380^2 .

It is not a de Polignac number, because 14163142081 - 2¹ = 14163142079 is a prime.

It is a super-2 number, since 2×14163142081² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14163142087) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 40581895 + ... + 40582243.

Almost surely, 2^14163142081 is an apocalyptic number.

14163142081 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

14163142081 is the 119009-th square number.

14163142081 is the 59505-th centered octagonal number.

It is an amenable number.

14163142081 is a deficient number, since it is larger than the sum of its proper divisors (1969218338).

14163142081 is an frugal number, since it uses more digits than its factorization.

14163142081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 782 (or 391 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 31.

The spelling of 14163142081 in words is "fourteen billion, one hundred sixty-three million, one hundred forty-two thousand, eighty-one".