16618716422616 has 128 divisors (see below), whose sum is σ = 53469519298560. Its totient is φ = 4177306166400.

The previous prime is 16618716422557. The next prime is 16618716422663. The reversal of 16618716422616 is 61622461781661.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 144988066 + ... + 145102641.

It is an arithmetic number, because the mean of its divisors is an integer number (417730619520).

Almost surely, 2^{16618716422616} is an apocalyptic number.

It is an amenable number.

16618716422616 is an abundant number, since it is smaller than the sum of its proper divisors (36850802875944).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16618716422616 is a wasteful number, since it uses less digits than its factorization.

16618716422616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290090765 (or 290090761 counting only the distinct ones).

The product of its digits is 6967296, while the sum is 57.

The spelling of 16618716422616 in words is "sixteen trillion, six hundred eighteen billion, seven hundred sixteen million, four hundred twenty-two thousand, six hundred sixteen".