2066888155 has 8 divisors (see below), whose sum is σ = 2485011312. Its totient is φ = 1650346848.

The previous prime is 2066888149. The next prime is 2066888179. The reversal of 2066888155 is 5518886602.

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 2066888155 - 2⁹ = 2066887643 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2066888099 and 2066888108.

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 7 ways as a sum of consecutive naturals, for example, 392584 + ... + 397813.

It is an arithmetic number, because the mean of its divisors is an integer number (310626414).

Almost surely, 2^2066888155 is an apocalyptic number.

2066888155 is a deficient number, since it is larger than the sum of its proper divisors (418123157).

2066888155 is an equidigital number, since it uses as much as digits as its factorization.

2066888155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 790925.

The product of its (nonzero) digits is 921600, while the sum is 49.

The square root of 2066888155 is about 45463.0416382362. The cubic root of 2066888155 is about 1273.8129472022.

The spelling of 2066888155 in words is "two billion, sixty-six million, eight hundred eighty-eight thousand, one hundred fifty-five".