5666516156515 has 8 divisors (see below), whose sum is σ = 7199808763680. Its totient is φ = 4266553341312.

The previous prime is 5666516156443. The next prime is 5666516156519. The reversal of 5666516156515 is 5156516156665.

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 5666516156515 - 2¹⁵ = 5666516123747 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5666516156515.

It is not an unprimeable number, because it can be changed into a prime (5666516156519) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33332447895 + ... + 33332448064.

It is an arithmetic number, because the mean of its divisors is an integer number (899976095460).

Almost surely, 2^{5666516156515} is an apocalyptic number.

5666516156515 is a deficient number, since it is larger than the sum of its proper divisors (1533292607165).

5666516156515 is a wasteful number, since it uses less digits than its factorization.

5666516156515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66664895981.

The product of its digits is 24300000, while the sum is 58.

The spelling of 5666516156515 in words is "five trillion, six hundred sixty-six billion, five hundred sixteen million, one hundred fifty-six thousand, five hundred fifteen".