10566042650 has 12 divisors (see below), whose sum is σ = 19652839422. Its totient is φ = 4226417040.

The previous prime is 10566042631. The next prime is 10566042659. The reversal of 10566042650 is 5624066501.

It can be written as a sum of positive squares in 3 ways, for example, as 7235713969 + 3330328681 = 85063^2 + 57709^2 .

It is a super-2 number, since 2×10566042650² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10566042650.

It is not an unprimeable number, because it can be changed into a prime (10566042659) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 105660377 + ... + 105660476.

Almost surely, 2^10566042650 is an apocalyptic number.

10566042650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10566042650 is a deficient number, since it is larger than the sum of its proper divisors (9086796772).

10566042650 is a wasteful number, since it uses less digits than its factorization.

10566042650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211320865 (or 211320860 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

The spelling of 10566042650 in words is "ten billion, five hundred sixty-six million, forty-two thousand, six hundred fifty".