2066751121 has 8 divisors (see below), whose sum is σ = 2133977600. Its totient is φ = 1999559520.

The previous prime is 2066751109. The next prime is 2066751131. The reversal of 2066751121 is 1211576602.

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

It is not a de Polignac number, because 2066751121 - 2²³ = 2058362513 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2066751101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170500 + ... + 182218.

It is an arithmetic number, because the mean of its divisors is an integer number (266747200).

Almost surely, 2^2066751121 is an apocalyptic number.

It is an amenable number.

2066751121 is a deficient number, since it is larger than the sum of its proper divisors (67226479).

2066751121 is a wasteful number, since it uses less digits than its factorization.

2066751121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17439.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 2066751121 is about 45461.5345209552. The cubic root of 2066751121 is about 1273.7847954546.

The spelling of 2066751121 in words is "two billion, sixty-six million, seven hundred fifty-one thousand, one hundred twenty-one".