66925106 has 8 divisors (see below), whose sum is σ = 105671280. Its totient is φ = 31701348.

The previous prime is 66925091. The next prime is 66925123. The reversal of 66925106 is 60152966.

It is a happy number.

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

It is a super-2 number, since 2×66925106² = 8957939626222472, 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, 880556 + ... + 880631.

It is an arithmetic number, because the mean of its divisors is an integer number (13208910).

Almost surely, 2^66925106 is an apocalyptic number.

66925106 is a deficient number, since it is larger than the sum of its proper divisors (38746174).

66925106 is a wasteful number, since it uses less digits than its factorization.

66925106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1761208.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 66925106 is about 8180.7766135007. The cubic root of 66925106 is about 406.0034175095.

The spelling of 66925106 in words is "sixty-six million, nine hundred twenty-five thousand, one hundred six".