66886102 has 4 divisors (see below), whose sum is σ = 100329156. Its totient is φ = 33443050.

The previous prime is 66886097. The next prime is 66886103. The reversal of 66886102 is 20168866.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66886103) by changing a digit.

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 as a sum of consecutive naturals, namely, 16721524 + ... + 16721527.

It is an arithmetic number, because the mean of its divisors is an integer number (25082289).

Almost surely, 2^66886102 is an apocalyptic number.

66886102 is a deficient number, since it is larger than the sum of its proper divisors (33443054).

66886102 is a wasteful number, since it uses less digits than its factorization.

66886102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33443053.

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 66886102 is about 8178.3923848150. The cubic root of 66886102 is about 405.9245291540.

The spelling of 66886102 in words is "sixty-six million, eight hundred eighty-six thousand, one hundred two".