126682566 has 16 divisors (see below), whose sum is σ = 254455344. Its totient is φ = 42045824.

The previous prime is 126682553. The next prime is 126682573. The reversal of 126682566 is 665286621.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43911 + ... + 46706.

It is an arithmetic number, because the mean of its divisors is an integer number (15903459).

Almost surely, 2^126682566 is an apocalyptic number.

126682566 is an abundant number, since it is smaller than the sum of its proper divisors (127772778).

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

126682566 is a wasteful number, since it uses less digits than its factorization.

126682566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90855.

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

The square root of 126682566 is about 11255.3350016781. The cubic root of 126682566 is about 502.2334300593.

The spelling of 126682566 in words is "one hundred twenty-six million, six hundred eighty-two thousand, five hundred sixty-six".