2641066251 has 16 divisors (see below), whose sum is σ = 3539289600. Its totient is φ = 1751794880.

The previous prime is 2641066247. The next prime is 2641066261. The reversal of 2641066251 is 1526601462.

It is a cyclic number.

It is not a de Polignac number, because 2641066251 - 2² = 2641066247 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2641066261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 826066 + ... + 829256.

It is an arithmetic number, because the mean of its divisors is an integer number (221205600).

Almost surely, 2^2641066251 is an apocalyptic number.

2641066251 is a deficient number, since it is larger than the sum of its proper divisors (898223349).

2641066251 is a wasteful number, since it uses less digits than its factorization.

2641066251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4506.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 2641066251 is about 51391.3052081770. The cubic root of 2641066251 is about 1382.2706877682.

The spelling of 2641066251 in words is "two billion, six hundred forty-one million, sixty-six thousand, two hundred fifty-one".