2261026655 has 16 divisors (see below), whose sum is σ = 2752686720. Its totient is φ = 1782626208.

The previous prime is 2261026609. The next prime is 2261026699. The reversal of 2261026655 is 5566201622.

2261026655 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 2261026655 - 2¹⁸ = 2260764511 is a prime.

It is a super-2 number, since 2×2261026655² = 10224483069240978050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 167384 + ... + 180386.

It is an arithmetic number, because the mean of its divisors is an integer number (172042920).

Almost surely, 2^2261026655 is an apocalyptic number.

2261026655 is a deficient number, since it is larger than the sum of its proper divisors (491660065).

2261026655 is a wasteful number, since it uses less digits than its factorization.

2261026655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13510.

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 2261026655 is about 47550.2539951155. The cubic root of 2261026655 is about 1312.5078031887.

The spelling of 2261026655 in words is "two billion, two hundred sixty-one million, twenty-six thousand, six hundred fifty-five".