16919025403716 has 30 divisors (see below), whose sum is σ = 44229674435870. Its totient is φ = 5639675134464.

The previous prime is 16919025403711. The next prime is 16919025403717. The reversal of 16919025403716 is 61730452091961.

16919025403716 is a `hidden beast` number, since 1 + 6 + 9 + 1 + 90 + 2 + 540 + 3 + 7 + 1 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 9423180878400 + 7495844525316 = 3069720^2 + 2737854^2 .

It is a super-2 number, since 2×16919025403716² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (16919025403711) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 26109606781 + ... + 26109607428.

Almost surely, 2^{16919025403716} is an apocalyptic number.

It is an amenable number.

16919025403716 is an abundant number, since it is smaller than the sum of its proper divisors (27310649032154).

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

16919025403716 is a wasteful number, since it uses less digits than its factorization.

16919025403716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52219214225 (or 52219214214 counting only the distinct ones).

The product of its (nonzero) digits is 2449440, while the sum is 54.

The spelling of 16919025403716 in words is "sixteen trillion, nine hundred nineteen billion, twenty-five million, four hundred three thousand, seven hundred sixteen".