4663454158181 has 16 divisors (see below), whose sum is σ = 5742501631104. Its totient is φ = 3687923663424.

The previous prime is 4663454158079. The next prime is 4663454158271. The reversal of 4663454158181 is 1818514543664.

It is a happy number.

It is not a de Polignac number, because 4663454158181 - 2²² = 4663449963877 is a prime.

It is a super-2 number, since 2×4663454158181² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4663454155181) 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 15 ways as a sum of consecutive naturals, for example, 12610226 + ... + 12974771.

It is an arithmetic number, because the mean of its divisors is an integer number (358906351944).

Almost surely, 2^{4663454158181} is an apocalyptic number.

It is an amenable number.

4663454158181 is a deficient number, since it is larger than the sum of its proper divisors (1079047472923).

4663454158181 is a wasteful number, since it uses less digits than its factorization.

4663454158181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25587020.

The product of its digits is 11059200, while the sum is 56.

The spelling of 4663454158181 in words is "four trillion, six hundred sixty-three billion, four hundred fifty-four million, one hundred fifty-eight thousand, one hundred eighty-one".