851483656 has 16 divisors (see below), whose sum is σ = 1600641900. Its totient is φ = 424645824.

The previous prime is 851483609. The next prime is 851483657. The reversal of 851483656 is 656384158.

It can be written as a sum of positive squares in 2 ways, for example, as 850655556 + 828100 = 29166^2 + 910^2 .

It is not an unprimeable number, because it can be changed into a prime (851483657) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133695 + ... + 139918.

Almost surely, 2^851483656 is an apocalyptic number.

It is an amenable number.

851483656 is a deficient number, since it is larger than the sum of its proper divisors (749158244).

851483656 is a wasteful number, since it uses less digits than its factorization.

851483656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274008 (or 274004 counting only the distinct ones).

The product of its digits is 691200, while the sum is 46.

The square root of 851483656 is about 29180.1928711926. The cubic root of 851483656 is about 947.8190620039.

It can be divided in two parts, 85148 and 3656, that added together give a square (88804 = 298²).

The spelling of 851483656 in words is "eight hundred fifty-one million, four hundred eighty-three thousand, six hundred fifty-six".