2601231566 has 8 divisors (see below), whose sum is σ = 3902249520. Its totient is φ = 1300481728.

The previous prime is 2601231539. The next prime is 2601231571. The reversal of 2601231566 is 6651321062.

2601231566 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40706 + ... + 82821.

It is an arithmetic number, because the mean of its divisors is an integer number (487781190).

Almost surely, 2^2601231566 is an apocalyptic number.

2601231566 is a deficient number, since it is larger than the sum of its proper divisors (1301017954).

2601231566 is a wasteful number, since it uses less digits than its factorization.

2601231566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134058.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 2601231566 is about 51002.2702043742. The cubic root of 2601231566 is about 1375.2859466568.

The spelling of 2601231566 in words is "two billion, six hundred one million, two hundred thirty-one thousand, five hundred sixty-six".