16308520856 has 8 divisors (see below), whose sum is σ = 30578476620. Its totient is φ = 8154260424.

The previous prime is 16308520847. The next prime is 16308520913. The reversal of 16308520856 is 65802580361.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1019282546 + ... + 1019282561.

Almost surely, 2^16308520856 is an apocalyptic number.

It is an amenable number.

16308520856 is a deficient number, since it is larger than the sum of its proper divisors (14269955764).

16308520856 is a wasteful number, since it uses less digits than its factorization.

16308520856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2038565113 (or 2038565109 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 44.

The spelling of 16308520856 in words is "sixteen billion, three hundred eight million, five hundred twenty thousand, eight hundred fifty-six".