5144166645 has 16 divisors (see below), whose sum is σ = 8253601920. Its totient is φ = 2735910464.

The previous prime is 5144166641. The next prime is 5144166667. The reversal of 5144166645 is 5466614415.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 5144166645 - 2² = 5144166641 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5144166597 and 5144166606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5144166641) 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, 472254 + ... + 483023.

It is an arithmetic number, because the mean of its divisors is an integer number (515850120).

Almost surely, 2^5144166645 is an apocalyptic number.

It is an amenable number.

5144166645 is a deficient number, since it is larger than the sum of its proper divisors (3109435275).

5144166645 is a wasteful number, since it uses less digits than its factorization.

5144166645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 955644.

The product of its digits is 345600, while the sum is 42.

The square root of 5144166645 is about 71722.8460464307. The cubic root of 5144166645 is about 1726.2552392813.

The spelling of 5144166645 in words is "five billion, one hundred forty-four million, one hundred sixty-six thousand, six hundred forty-five".