10166663 has 16 divisors (see below), whose sum is σ = 11702880. Its totient is φ = 8749056.

The previous prime is 10166659. The next prime is 10166671. The reversal of 10166663 is 36666101.

It is a cyclic number.

It is not a de Polignac number, because 10166663 - 2² = 10166659 is a prime.

It is a super-2 number, since 2×10166663² = 206722073111138, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10166623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39431 + ... + 39687.

It is an arithmetic number, because the mean of its divisors is an integer number (731430).

Almost surely, 2^10166663 is an apocalyptic number.

10166663 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

10166663 is a deficient number, since it is larger than the sum of its proper divisors (1536217).

10166663 is a wasteful number, since it uses less digits than its factorization.

10166663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 10166663 is about 3188.5205033056. The cubic root of 10166663 is about 216.6337625246.

The spelling of 10166663 in words is "ten million, one hundred sixty-six thousand, six hundred sixty-three".