2601066580 has 24 divisors (see below), whose sum is σ = 6242560128. Its totient is φ = 891794208.

The previous prime is 2601066557. The next prime is 2601066599. The reversal of 2601066580 is 856601062.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9289384 + ... + 9289663.

It is an arithmetic number, because the mean of its divisors is an integer number (260106672).

Almost surely, 2^2601066580 is an apocalyptic number.

2601066580 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2601066580 is an abundant number, since it is smaller than the sum of its proper divisors (3641493548).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2601066580 is a wasteful number, since it uses less digits than its factorization.

2601066580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18579063 (or 18579061 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 2601066580 is about 51000.6527409209. The cubic root of 2601066580 is about 1375.2568696960.

The spelling of 2601066580 in words is "two billion, six hundred one million, sixty-six thousand, five hundred eighty".