2566632061 has 8 divisors (see below), whose sum is σ = 2937334400. Its totient is φ = 2196939888.

The previous prime is 2566632059. The next prime is 2566632091. The reversal of 2566632061 is 1602366652.

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

It is a cyclic number.

It is not a de Polignac number, because 2566632061 - 2¹ = 2566632059 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2566632061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2566632091) 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, 247086 + ... + 257263.

It is an arithmetic number, because the mean of its divisors is an integer number (367166800).

Almost surely, 2^2566632061 is an apocalyptic number.

It is an amenable number.

2566632061 is a deficient number, since it is larger than the sum of its proper divisors (370702339).

2566632061 is an equidigital number, since it uses as much as digits as its factorization.

2566632061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505083.

The product of its (nonzero) digits is 77760, while the sum is 37.

The square root of 2566632061 is about 50661.9389778954. The cubic root of 2566632061 is about 1369.1610579279.

The spelling of 2566632061 in words is "two billion, five hundred sixty-six million, six hundred thirty-two thousand, sixty-one".