8506668545 has 16 divisors (see below), whose sum is σ = 10368933120. Its totient is φ = 6698841024.

The previous prime is 8506668523. The next prime is 8506668551. The reversal of 8506668545 is 5458666058.

It is a cyclic number.

It is not a de Polignac number, because 8506668545 - 2⁶ = 8506668481 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36551 + ... + 135459.

It is an arithmetic number, because the mean of its divisors is an integer number (648058320).

Almost surely, 2^8506668545 is an apocalyptic number.

It is an amenable number.

8506668545 is a deficient number, since it is larger than the sum of its proper divisors (1862264575).

8506668545 is a wasteful number, since it uses less digits than its factorization.

8506668545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99184.

The product of its (nonzero) digits is 6912000, while the sum is 53.

The square root of 8506668545 is about 92231.6027454798. The cubic root of 8506668545 is about 2041.3611114649.

The spelling of 8506668545 in words is "eight billion, five hundred six million, six hundred sixty-eight thousand, five hundred forty-five".