10550505566 has 8 divisors (see below), whose sum is σ = 15913194024. Its totient is φ = 5246107560.

The previous prime is 10550505521. The next prime is 10550505583. The reversal of 10550505566 is 66550505501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×10550505566² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14572160 + ... + 14572883.

It is an arithmetic number, because the mean of its divisors is an integer number (1989149253).

Almost surely, 2^10550505566 is an apocalyptic number.

10550505566 is a deficient number, since it is larger than the sum of its proper divisors (5362688458).

10550505566 is a wasteful number, since it uses less digits than its factorization.

10550505566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29145226.

The product of its (nonzero) digits is 112500, while the sum is 38.

The spelling of 10550505566 in words is "ten billion, five hundred fifty million, five hundred five thousand, five hundred sixty-six".