66958106 has 16 divisors (see below), whose sum is σ = 105366528. Its totient is φ = 31851600.

The previous prime is 66958091. The next prime is 66958141. The reversal of 66958106 is 60185966.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4976 + ... + 12596.

It is an arithmetic number, because the mean of its divisors is an integer number (6585408).

Almost surely, 2^66958106 is an apocalyptic number.

66958106 is a deficient number, since it is larger than the sum of its proper divisors (38408422).

66958106 is a wasteful number, since it uses less digits than its factorization.

66958106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7837.

The product of its (nonzero) digits is 77760, while the sum is 41.

The square root of 66958106 is about 8182.7932883582. The cubic root of 66958106 is about 406.0701384160.

The spelling of 66958106 in words is "sixty-six million, nine hundred fifty-eight thousand, one hundred six".