9161666 has 8 divisors (see below), whose sum is σ = 14062224. Its totient is φ = 4474260.

The previous prime is 9161641. The next prime is 9161671. The reversal of 9161666 is 6661619.

9161666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×9161666² = 167872247791112, which contains 22 as substring.

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, 53180 + ... + 53351.

It is an arithmetic number, because the mean of its divisors is an integer number (1757778).

Almost surely, 2^9161666 is an apocalyptic number.

9161666 is a deficient number, since it is larger than the sum of its proper divisors (4900558).

9161666 is a wasteful number, since it uses less digits than its factorization.

9161666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106576.

The product of its digits is 11664, while the sum is 35.

The square root of 9161666 is about 3026.8244085179. The cubic root of 9161666 is about 209.2464755436.

The spelling of 9161666 in words is "nine million, one hundred sixty-one thousand, six hundred sixty-six".