16787842424 has 32 divisors (see below), whose sum is σ = 32507904000. Its totient is φ = 8119323360.

The previous prime is 16787842373. The next prime is 16787842429. The reversal of 16787842424 is 42424878761.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16787842429) 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, 552377 + ... + 581975.

It is an arithmetic number, because the mean of its divisors is an integer number (1015872000).

Almost surely, 2^16787842424 is an apocalyptic number.

It is an amenable number.

16787842424 is a deficient number, since it is larger than the sum of its proper divisors (15720061576).

16787842424 is a wasteful number, since it uses less digits than its factorization.

16787842424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31923 (or 31919 counting only the distinct ones).

The product of its digits is 4816896, while the sum is 53.

The spelling of 16787842424 in words is "sixteen billion, seven hundred eighty-seven million, eight hundred forty-two thousand, four hundred twenty-four".