2670080561 has 4 divisors (see below), whose sum is σ = 2756212224. Its totient is φ = 2583948900.

The previous prime is 2670080551. The next prime is 2670080563. The reversal of 2670080561 is 1650800762.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2670080561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2670080563) 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, 43065785 + ... + 43065846.

It is an arithmetic number, because the mean of its divisors is an integer number (689053056).

Almost surely, 2^2670080561 is an apocalyptic number.

It is an amenable number.

2670080561 is a deficient number, since it is larger than the sum of its proper divisors (86131663).

2670080561 is an equidigital number, since it uses as much as digits as its factorization.

2670080561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86131662.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 2670080561 is about 51672.8222666423. The cubic root of 2670080561 is about 1387.3140618840.

The spelling of 2670080561 in words is "two billion, six hundred seventy million, eighty thousand, five hundred sixty-one".