2245656166 has 16 divisors (see below), whose sum is σ = 3711963024. Its totient is φ = 1012352544.

The previous prime is 2245656137. The next prime is 2245656169. The reversal of 2245656166 is 6616565422.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2245656169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1003201 + ... + 1005436.

It is an arithmetic number, because the mean of its divisors is an integer number (231997689).

Almost surely, 2^2245656166 is an apocalyptic number.

2245656166 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2245656166 is a deficient number, since it is larger than the sum of its proper divisors (1466306858).

2245656166 is a wasteful number, since it uses less digits than its factorization.

2245656166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2008695.

The product of its digits is 518400, while the sum is 43.

The square root of 2245656166 is about 47388.3547509301. The cubic root of 2245656166 is about 1309.5268897385.

The spelling of 2245656166 in words is "two billion, two hundred forty-five million, six hundred fifty-six thousand, one hundred sixty-six".