66296906 has 16 divisors (see below), whose sum is σ = 113395464. Its totient is φ = 28798464.

The previous prime is 66296849. The next prime is 66296963. The reversal of 66296906 is 60969266.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (66296849) and next prime (66296963).

It can be written as a sum of positive squares in 4 ways, for example, as 50623225 + 15673681 = 7115^2 + 3959^2 .

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, 74555 + ... + 75438.

Almost surely, 2^66296906 is an apocalyptic number.

66296906 is a deficient number, since it is larger than the sum of its proper divisors (47098558).

66296906 is a wasteful number, since it uses less digits than its factorization.

66296906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150025.

The product of its (nonzero) digits is 209952, while the sum is 44.

The square root of 66296906 is about 8142.2912008844. The cubic root of 66296906 is about 404.7290897692.

The spelling of 66296906 in words is "sixty-six million, two hundred ninety-six thousand, nine hundred six".