2261170646 has 32 divisors (see below), whose sum is σ = 4108879872. Its totient is φ = 911053440.

The previous prime is 2261170643. The next prime is 2261170661. The reversal of 2261170646 is 6460711622.

It is a super-2 number, since 2×2261170646² = 10225785380664114632, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2261170643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 231065 + ... + 240651.

It is an arithmetic number, because the mean of its divisors is an integer number (128402496).

Almost surely, 2^2261170646 is an apocalyptic number.

2261170646 is a deficient number, since it is larger than the sum of its proper divisors (1847709226).

2261170646 is a wasteful number, since it uses less digits than its factorization.

2261170646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10604.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 2261170646 is about 47551.7680638691. The cubic root of 2261170646 is about 1312.5356644700.

The spelling of 2261170646 in words is "two billion, two hundred sixty-one million, one hundred seventy thousand, six hundred forty-six".