2566672067 has 8 divisors (see below), whose sum is σ = 2583633024. Its totient is φ = 2549749248.

The previous prime is 2566672061. The next prime is 2566672079. The reversal of 2566672067 is 7602766652.

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

It is not a de Polignac number, because 2566672067 - 2¹⁴ = 2566655683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2566672061) by changing a digit.

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, 132398 + ... + 150540.

It is an arithmetic number, because the mean of its divisors is an integer number (322954128).

Almost surely, 2^2566672067 is an apocalyptic number.

2566672067 is a deficient number, since it is larger than the sum of its proper divisors (16960957).

2566672067 is a wasteful number, since it uses less digits than its factorization.

2566672067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19069.

The product of its (nonzero) digits is 1270080, while the sum is 47.

The square root of 2566672067 is about 50662.3338092512. Note that the first 3 decimals coincide. The cubic root of 2566672067 is about 1369.1681715787.

The spelling of 2566672067 in words is "two billion, five hundred sixty-six million, six hundred seventy-two thousand, sixty-seven".