10501666 has 8 divisors (see below), whose sum is σ = 18002880. Its totient is φ = 4500708.

The previous prime is 10501657. The next prime is 10501693. The reversal of 10501666 is 66610501.

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

It is a super-2 number, since 2×10501666² = 220569977551112, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10501666.

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, 375046 + ... + 375073.

It is an arithmetic number, because the mean of its divisors is an integer number (2250360).

Almost surely, 2^10501666 is an apocalyptic number.

10501666 is a deficient number, since it is larger than the sum of its proper divisors (7501214).

10501666 is an equidigital number, since it uses as much as digits as its factorization.

10501666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750128.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 10501666 is about 3240.6274083887. The cubic root of 10501666 is about 218.9875377770.

The spelling of 10501666 in words is "ten million, five hundred one thousand, six hundred sixty-six".