54143116616 has 16 divisors (see below), whose sum is σ = 102105157500. Its totient is φ = 26915074624.

The previous prime is 54143116613. The next prime is 54143116633. The reversal of 54143116616 is 61661134145.

It can be written as a sum of positive squares in 2 ways, for example, as 53243716516 + 899400100 = 230746^2 + 29990^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 54143116616.

It is not an unprimeable number, because it can be changed into a prime (54143116613) 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 3 ways as a sum of consecutive naturals, for example, 19558991 + ... + 19561758.

Almost surely, 2^54143116616 is an apocalyptic number.

It is an amenable number.

54143116616 is a deficient number, since it is larger than the sum of its proper divisors (47962040884).

54143116616 is a wasteful number, since it uses less digits than its factorization.

54143116616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39120928 (or 39120924 counting only the distinct ones).

The product of its digits is 51840, while the sum is 38.

The spelling of 54143116616 in words is "fifty-four billion, one hundred forty-three million, one hundred sixteen thousand, six hundred sixteen".