66846126 has 16 divisors (see below), whose sum is σ = 136537344. Its totient is φ = 21807864.

The previous prime is 66846121. The next prime is 66846151. The reversal of 66846126 is 62164866.

It is a super-2 number, since 2×66846126² = 8936809122415752, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66846121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118240 + ... + 118803.

It is an arithmetic number, because the mean of its divisors is an integer number (8533584).

Almost surely, 2^66846126 is an apocalyptic number.

66846126 is an abundant number, since it is smaller than the sum of its proper divisors (69691218).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66846126 is a wasteful number, since it uses less digits than its factorization.

66846126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237095.

The product of its digits is 82944, while the sum is 39.

The square root of 66846126 is about 8175.9480184258. The cubic root of 66846126 is about 405.8436430286.

The spelling of 66846126 in words is "sixty-six million, eight hundred forty-six thousand, one hundred twenty-six".