126628566 has 16 divisors (see below), whose sum is σ = 253368000. Its totient is φ = 42191048.

The previous prime is 126628549. The next prime is 126628589. The reversal of 126628566 is 665826621.

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, 22285 + ... + 27383.

It is an arithmetic number, because the mean of its divisors is an integer number (15835500).

Almost surely, 2^126628566 is an apocalyptic number.

126628566 is an abundant number, since it is smaller than the sum of its proper divisors (126739434).

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

126628566 is a wasteful number, since it uses less digits than its factorization.

126628566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9243.

The product of its digits is 207360, while the sum is 42.

The square root of 126628566 is about 11252.9358835817. The cubic root of 126628566 is about 502.1620588609.

The spelling of 126628566 in words is "one hundred twenty-six million, six hundred twenty-eight thousand, five hundred sixty-six".