66202055 has 8 divisors (see below), whose sum is σ = 79616832. Its totient is φ = 52845408.

The previous prime is 66202049. The next prime is 66202091. The reversal of 66202055 is 55020266.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 66202055 - 2¹⁸ = 65939911 is a prime.

It is a Duffinian number.

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, 11984 + ... + 16613.

It is an arithmetic number, because the mean of its divisors is an integer number (9952104).

Almost surely, 2^66202055 is an apocalyptic number.

66202055 is a deficient number, since it is larger than the sum of its proper divisors (13414777).

66202055 is a wasteful number, since it uses less digits than its factorization.

66202055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29065.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 66202055 is about 8136.4645270535. The cubic root of 66202055 is about 404.5359823103.

The spelling of 66202055 in words is "sixty-six million, two hundred two thousand, fifty-five".