16757781016 has 8 divisors (see below), whose sum is σ = 31420839420.
Its totient is φ = 8378890504.
The previous prime is 16757780989. The next prime is 16757781017. The reversal of 16757781016 is 61018775761.
It is a tau number, because it is divible by the number of its divisors (8).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (16757781017) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1047361306 + ... + 1047361321.
Almost surely, 216757781016 is an apocalyptic number.
It is an amenable number.
16757781016 is a deficient number, since it is larger than the sum of its proper divisors (14663058404).
16757781016 is a wasteful number, since it uses less digits than its factorization.
16757781016 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2094722633 (or 2094722629 counting only the distinct ones).
The product of its (nonzero) digits is 493920, while the sum is 49.
The spelling of 16757781016 in words is "sixteen billion, seven hundred fifty-seven million, seven hundred eighty-one thousand, sixteen".