66605126 has 16 divisors (see below), whose sum is σ = 114285600. Its totient is φ = 28518720.

The previous prime is 66605117. The next prime is 66605179. The reversal of 66605126 is 62150666.

It is a junction number, because it is equal to n+sod(n) for n = 66605092 and 66605101.

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, 26066 + ... + 28506.

It is an arithmetic number, because the mean of its divisors is an integer number (7142850).

Almost surely, 2^66605126 is an apocalyptic number.

66605126 is a deficient number, since it is larger than the sum of its proper divisors (47680474).

66605126 is a wasteful number, since it uses less digits than its factorization.

66605126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4399.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 66605126 is about 8161.1963583779. The cubic root of 66605126 is about 405.3553270386.

The spelling of 66605126 in words is "sixty-six million, six hundred five thousand, one hundred twenty-six".