2066636067 has 4 divisors (see below), whose sum is σ = 2755514760. Its totient is φ = 1377757376.

The previous prime is 2066636053. The next prime is 2066636071. The reversal of 2066636067 is 7606366602.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2066636067 - 2⁶ = 2066636003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2066636027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 344439342 + ... + 344439347.

It is an arithmetic number, because the mean of its divisors is an integer number (688878690).

Almost surely, 2^2066636067 is an apocalyptic number.

2066636067 is a deficient number, since it is larger than the sum of its proper divisors (688878693).

2066636067 is an equidigital number, since it uses as much as digits as its factorization.

2066636067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 688878692.

The product of its (nonzero) digits is 326592, while the sum is 42.

The square root of 2066636067 is about 45460.2691039109. The cubic root of 2066636067 is about 1273.7611582341.

The spelling of 2066636067 in words is "two billion, sixty-six million, six hundred thirty-six thousand, sixty-seven".