2444621166 has 36 divisors (see below), whose sum is σ = 5735464488. Its totient is φ = 752190192.

The previous prime is 2444621147. The next prime is 2444621227. The reversal of 2444621166 is 6611264442.

2444621166 is a `hidden beast` number, since 24 + 4 + 4 + 621 + 1 + 6 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 2444621166.

It is a congruent number.

It is an unprimeable number.

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 17 ways as a sum of consecutive naturals, for example, 398770 + ... + 404853.

It is an arithmetic number, because the mean of its divisors is an integer number (159318458).

Almost surely, 2^2444621166 is an apocalyptic number.

2444621166 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2444621166 is an abundant number, since it is smaller than the sum of its proper divisors (3290843322).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2444621166 is a wasteful number, since it uses less digits than its factorization.

2444621166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 803657 (or 803641 counting only the distinct ones).

The product of its digits is 55296, while the sum is 36.

The square root of 2444621166 is about 49443.1103997311. The cubic root of 2444621166 is about 1347.1124685565.

The spelling of 2444621166 in words is "two billion, four hundred forty-four million, six hundred twenty-one thousand, one hundred sixty-six".