616108917291 has 32 divisors (see below), whose sum is σ = 973152960000. Its totient is φ = 339240787200.

The previous prime is 616108917253. The next prime is 616108917341. The reversal of 616108917291 is 192719801616.

It is not a de Polignac number, because 616108917291 - 2¹⁴ = 616108900907 is a prime.

It is not an unprimeable number, because it can be changed into a prime (616108917241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 709810 + ... + 1317591.

It is an arithmetic number, because the mean of its divisors is an integer number (30411030000).

Almost surely, 2^616108917291 is an apocalyptic number.

616108917291 is a deficient number, since it is larger than the sum of its proper divisors (357044042709).

616108917291 is a wasteful number, since it uses less digits than its factorization.

616108917291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2027939.

The product of its (nonzero) digits is 326592, while the sum is 51.

The spelling of 616108917291 in words is "six hundred sixteen billion, one hundred eight million, nine hundred seventeen thousand, two hundred ninety-one".