16774403440363 has 8 divisors (see below), whose sum is σ = 17761522091040. Its totient is φ = 15787328016000.

The previous prime is 16774403440343. The next prime is 16774403440367. The reversal of 16774403440363 is 36304430447761.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16774403440363 - 2⁹ = 16774403439851 is a prime.

It is a super-2 number, since 2×16774403440363² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16774403440363.

It is not an unprimeable number, because it can be changed into a prime (16774403440367) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10005928 + ... + 11561461.

It is an arithmetic number, because the mean of its divisors is an integer number (2220190261380).

Almost surely, 2^{16774403440363} is an apocalyptic number.

16774403440363 is a deficient number, since it is larger than the sum of its proper divisors (987118650677).

16774403440363 is a wasteful number, since it uses less digits than its factorization.

16774403440363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21613157.

The product of its (nonzero) digits is 12192768, while the sum is 52.

The spelling of 16774403440363 in words is "sixteen trillion, seven hundred seventy-four billion, four hundred three million, four hundred forty thousand, three hundred sixty-three".