10161666 has 16 divisors (see below), whose sum is σ = 22581600. Its totient is φ = 3387204.

The previous prime is 10161659. The next prime is 10161703. The reversal of 10161666 is 66616101.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94036 + ... + 94143.

It is an arithmetic number, because the mean of its divisors is an integer number (1411350).

Almost surely, 2^10161666 is an apocalyptic number.

10161666 is an abundant number, since it is smaller than the sum of its proper divisors (12419934).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10161666 is a wasteful number, since it uses less digits than its factorization.

10161666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188190 (or 188184 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 10161666 is about 3187.7368147324. The cubic root of 10161666 is about 216.5982642720.

Adding to 10161666 its reverse (66616101), we get a palindrome (76777767).

The spelling of 10161666 in words is "ten million, one hundred sixty-one thousand, six hundred sixty-six".