2066662155 has 8 divisors (see below), whose sum is σ = 3306659472. Its totient is φ = 1102219808.

The previous prime is 2066662141. The next prime is 2066662181. The reversal of 2066662155 is 5512666602.

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 2066662155 - 2¹⁹ = 2066137867 is a prime.

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, 68888724 + ... + 68888753.

It is an arithmetic number, because the mean of its divisors is an integer number (413332434).

Almost surely, 2^2066662155 is an apocalyptic number.

2066662155 is a deficient number, since it is larger than the sum of its proper divisors (1239997317).

2066662155 is a wasteful number, since it uses less digits than its factorization.

2066662155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137777485.

The product of its (nonzero) digits is 129600, while the sum is 39.

The square root of 2066662155 is about 45460.5560348749. The cubic root of 2066662155 is about 1273.7665179492.

The spelling of 2066662155 in words is "two billion, sixty-six million, six hundred sixty-two thousand, one hundred fifty-five".