616984009305 has 32 divisors (see below), whose sum is σ = 1039330266240. Its totient is φ = 311679498240.

The previous prime is 616984009303. The next prime is 616984009331. The reversal of 616984009305 is 503900489616.

It is not a de Polignac number, because 616984009305 - 2¹ = 616984009303 is a prime.

It is not an unprimeable number, because it can be changed into a prime (616984009303) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1300119 + ... + 1710051.

It is an arithmetic number, because the mean of its divisors is an integer number (32479070820).

Almost surely, 2^616984009305 is an apocalyptic number.

It is an amenable number.

616984009305 is a deficient number, since it is larger than the sum of its proper divisors (422346256935).

616984009305 is a wasteful number, since it uses less digits than its factorization.

616984009305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415241.

The product of its (nonzero) digits is 1399680, while the sum is 51.

The spelling of 616984009305 in words is "six hundred sixteen billion, nine hundred eighty-four million, nine thousand, three hundred five".