16840846312 has 8 divisors (see below), whose sum is σ = 31576586850. Its totient is φ = 8420423152.

The previous prime is 16840846277. The next prime is 16840846343. The reversal of 16840846312 is 21364804861.

It can be written as a sum of positive squares in only one way, i.e., 15536625316 + 1304220996 = 124646^2 + 36114^2 .

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

It is a super-2 number, since 2×16840846312² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1052552887 + ... + 1052552902.

Almost surely, 2^16840846312 is an apocalyptic number.

It is an amenable number.

16840846312 is a deficient number, since it is larger than the sum of its proper divisors (14735740538).

16840846312 is a wasteful number, since it uses less digits than its factorization.

16840846312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2105105795 (or 2105105791 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 43.

The spelling of 16840846312 in words is "sixteen billion, eight hundred forty million, eight hundred forty-six thousand, three hundred twelve".