2066666667 has 8 divisors (see below), whose sum is σ = 2967521424. Its totient is φ = 1271794848.

The previous prime is 2066666653. The next prime is 2066666671. The reversal of 2066666667 is 7666666602.

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

It is not a de Polignac number, because 2066666667 - 2⁶ = 2066666603 is a prime.

It is a super-2 number, since 2×2066666667² = 8542222224977777778, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2066666617) by changing a digit.

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, 26495688 + ... + 26495765.

It is an arithmetic number, because the mean of its divisors is an integer number (370940178).

Almost surely, 2^2066666667 is an apocalyptic number.

2066666667 is a deficient number, since it is larger than the sum of its proper divisors (900854757).

2066666667 is a wasteful number, since it uses less digits than its factorization.

2066666667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52991469.

The product of its (nonzero) digits is 3919104, while the sum is 51.

The square root of 2066666667 is about 45460.6056602857. The cubic root of 2066666667 is about 1273.7674449239.

The spelling of 2066666667 in words is "two billion, sixty-six million, six hundred sixty-six thousand, six hundred sixty-seven".