16851847072 has 12 divisors (see below), whose sum is σ = 33177073986. Its totient is φ = 8425923520.

The previous prime is 16851847037. The next prime is 16851847109. The reversal of 16851847072 is 27074815861.

It can be written as a sum of positive squares in only one way, i.e., 8903054736 + 7948792336 = 94356^2 + 89156^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 263310079 + ... + 263310142.

Almost surely, 2^16851847072 is an apocalyptic number.

It is an amenable number.

16851847072 is a deficient number, since it is larger than the sum of its proper divisors (16325226914).

16851847072 is an equidigital number, since it uses as much as digits as its factorization.

16851847072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526620231 (or 526620223 counting only the distinct ones).

The product of its (nonzero) digits is 752640, while the sum is 49.

The spelling of 16851847072 in words is "sixteen billion, eight hundred fifty-one million, eight hundred forty-seven thousand, seventy-two".