8458661541 has 8 divisors (see below), whose sum is σ = 12303507744. Its totient is φ = 5126461520.

The previous prime is 8458661531. The next prime is 8458661543. The reversal of 8458661541 is 1451668548.

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 8458661541 - 2⁷ = 8458661413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8458661543) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 128161506 + ... + 128161571.

It is an arithmetic number, because the mean of its divisors is an integer number (1537938468).

Almost surely, 2^8458661541 is an apocalyptic number.

It is an amenable number.

8458661541 is a deficient number, since it is larger than the sum of its proper divisors (3844846203).

8458661541 is a wasteful number, since it uses less digits than its factorization.

8458661541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256323091.

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

The square root of 8458661541 is about 91970.9820595605. The cubic root of 8458661541 is about 2037.5137548145.

The spelling of 8458661541 in words is "eight billion, four hundred fifty-eight million, six hundred sixty-one thousand, five hundred forty-one".