10666495250 has 32 divisors (see below), whose sum is σ = 20030817456. Its totient is φ = 4253107200.

The previous prime is 10666495237. The next prime is 10666495271. The reversal of 10666495250 is 5259466601.

It can be written as a sum of positive squares in 8 ways, for example, as 677092441 + 9989402809 = 26021^2 + 99947^2 .

It is a super-2 number, since 2×10666495250² (a number of 21 digits) contains 22 as substring.

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, 11954 + ... + 146546.

Almost surely, 2^10666495250 is an apocalyptic number.

10666495250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10666495250 is a deficient number, since it is larger than the sum of its proper divisors (9364322206).

10666495250 is a wasteful number, since it uses less digits than its factorization.

10666495250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134927 (or 134917 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 44.

The spelling of 10666495250 in words is "ten billion, six hundred sixty-six million, four hundred ninety-five thousand, two hundred fifty".