7666126 has 16 divisors (see below), whose sum is σ = 12673584. Its totient is φ = 3455424.

The previous prime is 7666117. The next prime is 7666151. The reversal of 7666126 is 6216667.

It is a junction number, because it is equal to n+sod(n) for n = 7666091 and 7666100.

It is a congruent 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, 2311 + ... + 4546.

It is an arithmetic number, because the mean of its divisors is an integer number (792099).

Almost surely, 2^7666126 is an apocalyptic number.

7666126 is a deficient number, since it is larger than the sum of its proper divisors (5007458).

7666126 is a wasteful number, since it uses less digits than its factorization.

7666126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6915.

The product of its digits is 18144, while the sum is 34.

The square root of 7666126 is about 2768.7769863245. The cubic root of 7666126 is about 197.1780879915.

It can be divided in two parts, 766 and 6126, that multiplied together give a triangular number (4692516 = T₃₀₆₃).

The spelling of 7666126 in words is "seven million, six hundred sixty-six thousand, one hundred twenty-six".