2851132816 has 45 divisors (see below), whose sum is σ = 6429330219. Its totient is φ = 1221273312.

The previous prime is 2851132793. The next prime is 2851132819. The reversal of 2851132816 is 6182311582.

The square root of 2851132816 is 53396.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2851132819) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1494135 + ... + 1496041.

Almost surely, 2^2851132816 is an apocalyptic number.

2851132816 is the 53396-th square number.

It is an amenable number.

2851132816 is an abundant number, since it is smaller than the sum of its proper divisors (3578197403).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2851132816 is an frugal number, since it uses more digits than its factorization.

2851132816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3836 (or 1916 counting only the distinct ones).

The product of its digits is 23040, while the sum is 37.

The cubic root of 2851132816 is about 1417.9877628428.

It can be divided in two parts, 285113 and 2816, that multiplied together give a palindrome (802878208).

The spelling of 2851132816 in words is "two billion, eight hundred fifty-one million, one hundred thirty-two thousand, eight hundred sixteen".