8541660023 has 6 divisors (see below), whose sum is σ = 9249253344. Its totient is φ = 7884609096.

The previous prime is 8541660019. The next prime is 8541660031. The reversal of 8541660023 is 3200661458.

It is not a de Polignac number, because 8541660023 - 2² = 8541660019 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8541660053) 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 5 ways as a sum of consecutive naturals, for example, 25271015 + ... + 25271352.

It is an arithmetic number, because the mean of its divisors is an integer number (1541542224).

Almost surely, 2^8541660023 is an apocalyptic number.

8541660023 is a deficient number, since it is larger than the sum of its proper divisors (707593321).

8541660023 is a wasteful number, since it uses less digits than its factorization.

8541660023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50542393 (or 50542380 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 8541660023 is about 92421.1016110498. The cubic root of 8541660023 is about 2044.1562724789.

The spelling of 8541660023 in words is "eight billion, five hundred forty-one million, six hundred sixty thousand, twenty-three".