16717345504422 has 32 divisors (see below), whose sum is σ = 36001461916800. Its totient is φ = 5155764912768.

The previous prime is 16717345504397. The next prime is 16717345504429. The reversal of 16717345504422 is 22440554371761.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16717345504429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1388939272 + ... + 1388951307.

It is an arithmetic number, because the mean of its divisors is an integer number (1125045684900).

Almost surely, 2^{16717345504422} is an apocalyptic number.

16717345504422 is an abundant number, since it is smaller than the sum of its proper divisors (19284116412378).

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

16717345504422 is a wasteful number, since it uses less digits than its factorization.

16717345504422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2777890660.

The product of its (nonzero) digits is 5644800, while the sum is 51.

The spelling of 16717345504422 in words is "sixteen trillion, seven hundred seventeen billion, three hundred forty-five million, five hundred four thousand, four hundred twenty-two".