8013540566 has 16 divisors (see below), whose sum is σ = 12066187056. Its totient is φ = 3991493376.

The previous prime is 8013540541. The next prime is 8013540571. The reversal of 8013540566 is 6650453108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1973210 + ... + 1977266.

It is an arithmetic number, because the mean of its divisors is an integer number (754136691).

Almost surely, 2^8013540566 is an apocalyptic number.

8013540566 is a deficient number, since it is larger than the sum of its proper divisors (4052646490).

8013540566 is a wasteful number, since it uses less digits than its factorization.

8013540566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7583.

The product of its (nonzero) digits is 86400, while the sum is 38.

The square root of 8013540566 is about 89518.3811627534. The cubic root of 8013540566 is about 2001.1277444767.

The spelling of 8013540566 in words is "eight billion, thirteen million, five hundred forty thousand, five hundred sixty-six".