66601106 has 16 divisors (see below), whose sum is σ = 117367488. Its totient is φ = 27944400.

The previous prime is 66601091. The next prime is 66601111. The reversal of 66601106 is 60110666.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116150 + ... + 116721.

It is an arithmetic number, because the mean of its divisors is an integer number (7335468).

Almost surely, 2^66601106 is an apocalyptic number.

66601106 is a deficient number, since it is larger than the sum of its proper divisors (50766382).

66601106 is a wasteful number, since it uses less digits than its factorization.

66601106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232897.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 66601106 is about 8160.9500672409. The cubic root of 66601106 is about 405.3471717043.

The spelling of 66601106 in words is "sixty-six million, six hundred one thousand, one hundred six".