10516155566 has 32 divisors (see below), whose sum is σ = 18656801280. Its totient is φ = 4349772000.

The previous prime is 10516155553. The next prime is 10516155571. The reversal of 10516155566 is 66555161501.

It is a super-2 number, since 2×10516155566² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

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, 1706591 + ... + 1712741.

It is an arithmetic number, because the mean of its divisors is an integer number (583025040).

Almost surely, 2^10516155566 is an apocalyptic number.

10516155566 is a deficient number, since it is larger than the sum of its proper divisors (8140645714).

10516155566 is a wasteful number, since it uses less digits than its factorization.

10516155566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10400.

The product of its (nonzero) digits is 135000, while the sum is 41.

The spelling of 10516155566 in words is "ten billion, five hundred sixteen million, one hundred fifty-five thousand, five hundred sixty-six".