66711102 has 8 divisors (see below), whose sum is σ = 133422216. Its totient is φ = 22237032.

The previous prime is 66711091. The next prime is 66711131. The reversal of 66711102 is 20111766.

It is a sphenic number, since it is the product of 3 distinct primes.

66711102 is an admirable number.

It is a super-2 number, since 2×66711102² = 8900742260108808, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5559253 + ... + 5559264.

It is an arithmetic number, because the mean of its divisors is an integer number (16677777).

Almost surely, 2^66711102 is an apocalyptic number.

66711102 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

66711102 is a wasteful number, since it uses less digits than its factorization.

66711102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11118522.

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 66711102 is about 8167.6864533355. The cubic root of 66711102 is about 405.5702012545.

Adding to 66711102 its reverse (20111766), we get a palindrome (86822868).

The spelling of 66711102 in words is "sixty-six million, seven hundred eleven thousand, one hundred two".