9772166 has 4 divisors (see below), whose sum is σ = 14658252. Its totient is φ = 4886082.

The previous prime is 9772163. The next prime is 9772187. The reversal of 9772166 is 6612779.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9772163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2443040 + ... + 2443043.

It is an arithmetic number, because the mean of its divisors is an integer number (3664563).

Almost surely, 2^9772166 is an apocalyptic number.

9772166 is a deficient number, since it is larger than the sum of its proper divisors (4886086).

9772166 is a wasteful number, since it uses less digits than its factorization.

9772166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4886085.

The product of its digits is 31752, while the sum is 38.

The square root of 9772166 is about 3126.0463848126. The cubic root of 9772166 is about 213.7947051485.

The spelling of 9772166 in words is "nine million, seven hundred seventy-two thousand, one hundred sixty-six".