10666772 has 6 divisors (see below), whose sum is σ = 18666858. Its totient is φ = 5333384.

The previous prime is 10666763. The next prime is 10666793. The reversal of 10666772 is 27766601.

It can be written as a sum of positive squares in only one way, i.e., 10666756 + 16 = 3266^2 + 4^2 .

It is a super-2 number, since 2×10666772² = 227560049799968, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1333343 + ... + 1333350.

It is an arithmetic number, because the mean of its divisors is an integer number (3111143).

Almost surely, 2^10666772 is an apocalyptic number.

It is an amenable number.

10666772 is a deficient number, since it is larger than the sum of its proper divisors (8000086).

10666772 is a wasteful number, since it uses less digits than its factorization.

10666772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2666697 (or 2666695 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 10666772 is about 3266.0024494786. The cubic root of 10666772 is about 220.1292078468.

The spelling of 10666772 in words is "ten million, six hundred sixty-six thousand, seven hundred seventy-two".