8541661458 has 48 divisors (see below), whose sum is σ = 19797138144. Its totient is φ = 2436119040.

The previous prime is 8541661439. The next prime is 8541661507.

8541661458 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 204835 + ... + 242982.

It is an arithmetic number, because the mean of its divisors is an integer number (412440378).

Almost surely, 2^8541661458 is an apocalyptic number.

8541661458 is an abundant number, since it is smaller than the sum of its proper divisors (11255476686).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8541661458 is a wasteful number, since it uses less digits than its factorization.

8541661458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447867 (or 447850 counting only the distinct ones).

The product of its digits is 921600, while the sum is 48.

The square root of 8541661458 is about 92421.1093744281. The cubic root of 8541661458 is about 2044.1563869517.

The spelling of 8541661458 in words is "eight billion, five hundred forty-one million, six hundred sixty-one thousand, four hundred fifty-eight".