4534148165881 has 8 divisors (see below), whose sum is σ = 4801369728744. Its totient is φ = 4266982932480.

The previous prime is 4534148165873. The next prime is 4534148165929. The reversal of 4534148165881 is 1885618414354.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2801723607225 + 1732424558656 = 1673835^2 + 1316216^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4534148165881 - 2³ = 4534148165873 is a prime.

It is a super-2 number, since 2×4534148165881² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4534148115881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13916580 + ... + 14238661.

It is an arithmetic number, because the mean of its divisors is an integer number (600171216093).

Almost surely, 2^{4534148165881} is an apocalyptic number.

It is an amenable number.

4534148165881 is a deficient number, since it is larger than the sum of its proper divisors (267221562863).

4534148165881 is a wasteful number, since it uses less digits than its factorization.

4534148165881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28164731.

The product of its digits is 14745600, while the sum is 58.

The spelling of 4534148165881 in words is "four trillion, five hundred thirty-four billion, one hundred forty-eight million, one hundred sixty-five thousand, eight hundred eighty-one".