201066055 has 16 divisors (see below), whose sum is σ = 255861504. Its totient is φ = 151160320.

The previous prime is 201066043. The next prime is 201066067. The reversal of 201066055 is 550660102.

It is an interprime number because it is at equal distance from previous prime (201066043) and next prime (201066067).

It is not a de Polignac number, because 201066055 - 2¹⁷ = 200934983 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 15 ways as a sum of consecutive naturals, for example, 71985 + ... + 74725.

It is an arithmetic number, because the mean of its divisors is an integer number (15991344).

Almost surely, 2^201066055 is an apocalyptic number.

201066055 is a deficient number, since it is larger than the sum of its proper divisors (54795449).

201066055 is a wasteful number, since it uses less digits than its factorization.

201066055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3626.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 201066055 is about 14179.7762676285. The cubic root of 201066055 is about 585.8407615179.

The spelling of 201066055 in words is "two hundred one million, sixty-six thousand, fifty-five".