616773203644 has 24 divisors (see below), whose sum is σ = 1175440729680. Its totient is φ = 281466075264.

The previous prime is 616773203623. The next prime is 616773203719. The reversal of 616773203644 is 446302377616.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66630334 + ... + 66639589.

It is an arithmetic number, because the mean of its divisors is an integer number (48976697070).

Almost surely, 2^616773203644 is an apocalyptic number.

It is an amenable number.

616773203644 is a deficient number, since it is larger than the sum of its proper divisors (558667526036).

616773203644 is a wasteful number, since it uses less digits than its factorization.

616773203644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133270029 (or 133270027 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 49.

The spelling of 616773203644 in words is "six hundred sixteen billion, seven hundred seventy-three million, two hundred three thousand, six hundred forty-four".