2261606606 has 16 divisors (see below), whose sum is σ = 4045607424. Its totient is φ = 927118104.

The previous prime is 2261606597. The next prime is 2261606609. The reversal of 2261606606 is 6066061622.

It is a super-2 number, since 2×2261606606² = 10229728880605678472, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2261606609) 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, 3511490 + ... + 3512133.

It is an arithmetic number, because the mean of its divisors is an integer number (252850464).

Almost surely, 2^2261606606 is an apocalyptic number.

2261606606 is a deficient number, since it is larger than the sum of its proper divisors (1784000818).

2261606606 is a wasteful number, since it uses less digits than its factorization.

2261606606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7023655.

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 2261606606 is about 47556.3518996148. The cubic root of 2261606606 is about 1312.6200125603.

The spelling of 2261606606 in words is "two billion, two hundred sixty-one million, six hundred six thousand, six hundred six".