1616650741544 has 16 divisors (see below), whose sum is σ = 3031239661620. Its totient is φ = 808320165120.

The previous prime is 1616650741529. The next prime is 1616650741549. The reversal of 1616650741544 is 4451470566161.

It can be written as a sum of positive squares in 2 ways, for example, as 1605952976644 + 10697764900 = 1267262^2 + 103430^2 .

It is a super-2 number, since 2×1616650741544² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1616650741492 and 1616650741501.

It is not an unprimeable number, because it can be changed into a prime (1616650741549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 881342 + ... + 2002514.

Almost surely, 2^{1616650741544} is an apocalyptic number.

It is an amenable number.

1616650741544 is a deficient number, since it is larger than the sum of its proper divisors (1414588920076).

1616650741544 is a wasteful number, since it uses less digits than its factorization.

1616650741544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1301420 (or 1301416 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 50.

The spelling of 1616650741544 in words is "one trillion, six hundred sixteen billion, six hundred fifty million, seven hundred forty-one thousand, five hundred forty-four".