10666251 has 12 divisors (see below), whose sum is σ = 15436512. Its totient is φ = 7097136.

The previous prime is 10666241. The next prime is 10666297. The reversal of 10666251 is 15266601.

It is a happy number.

It is not a de Polignac number, because 10666251 - 2⁵ = 10666219 is a prime.

It is a super-2 number, since 2×10666251² = 227537820790002, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10666241) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6430 + ... + 7916.

It is an arithmetic number, because the mean of its divisors is an integer number (1286376).

Almost surely, 2^10666251 is an apocalyptic number.

10666251 is a deficient number, since it is larger than the sum of its proper divisors (4770261).

10666251 is a wasteful number, since it uses less digits than its factorization.

10666251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2290 (or 2287 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 10666251 is about 3265.9226873887. The cubic root of 10666251 is about 220.1256238452.

The spelling of 10666251 in words is "ten million, six hundred sixty-six thousand, two hundred fifty-one".