16616622116619 has 96 divisors (see below), whose sum is σ = 28156470870528. Its totient is φ = 9244912320000.

The previous prime is 16616622116609. The next prime is 16616622116621. The reversal of 16616622116619 is 91661122661661.

It is a happy number.

16616622116619 is a `hidden beast` number, since 1 + 6 + 6 + 1 + 6 + 6 + 2 + 2 + 1 + 16 + 619 = 666.

It is not a de Polignac number, because 16616622116619 - 2⁸ = 16616622116363 is a prime.

It is a super-2 number, since 2×16616622116619² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16616622116609) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3309422329 + ... + 3309427349.

It is an arithmetic number, because the mean of its divisors is an integer number (293296571568).

Almost surely, 2^{16616622116619} is an apocalyptic number.

16616622116619 is a deficient number, since it is larger than the sum of its proper divisors (11539848753909).

16616622116619 is a wasteful number, since it uses less digits than its factorization.

16616622116619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7409 (or 7406 counting only the distinct ones).

The product of its digits is 1679616, while the sum is 54.

The spelling of 16616622116619 in words is "sixteen trillion, six hundred sixteen billion, six hundred twenty-two million, one hundred sixteen thousand, six hundred nineteen".