2566667159 has 8 divisors (see below), whose sum is σ = 2934336000. Its totient is φ = 2199248856.

The previous prime is 2566667137. The next prime is 2566667177. The reversal of 2566667159 is 9517666652.

It is a happy number.

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

It is not a de Polignac number, because 2566667159 - 2¹⁶ = 2566601623 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2566667159.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2566667179) 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, 40139 + ... + 82124.

It is an arithmetic number, because the mean of its divisors is an integer number (366792000).

Almost surely, 2^2566667159 is an apocalyptic number.

2566667159 is a deficient number, since it is larger than the sum of its proper divisors (367668841).

2566667159 is a wasteful number, since it uses less digits than its factorization.

2566667159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125269.

The product of its digits is 4082400, while the sum is 53.

The square root of 2566667159 is about 50662.2853708752. The cubic root of 2566667159 is about 1369.1672988686.

The spelling of 2566667159 in words is "two billion, five hundred sixty-six million, six hundred sixty-seven thousand, one hundred fifty-nine".