16961786844 has 24 divisors (see below), whose sum is σ = 39614834448. Its totient is φ = 5648595840.

The previous prime is 16961786843. The next prime is 16961786899. The reversal of 16961786844 is 44868716961.

16961786844 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16961786843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 653377 + ... + 678840.

It is an arithmetic number, because the mean of its divisors is an integer number (1650618102).

Almost surely, 2^16961786844 is an apocalyptic number.

It is an amenable number.

16961786844 is an abundant number, since it is smaller than the sum of its proper divisors (22653047604).

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

16961786844 is a wasteful number, since it uses less digits than its factorization.

16961786844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1333285 (or 1333283 counting only the distinct ones).

The product of its digits is 13934592, while the sum is 60.

The spelling of 16961786844 in words is "sixteen billion, nine hundred sixty-one million, seven hundred eighty-six thousand, eight hundred forty-four".