851466863088 has 160 divisors (see below), whose sum is σ = 2599196497920. Its totient is φ = 265949568000.

The previous prime is 851466863087. The next prime is 851466863119. The reversal of 851466863088 is 880368664158.

851466863088 is a `hidden beast` number, since 8 + 514 + 6 + 6 + 8 + 6 + 30 + 88 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (851466863087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1411713 + ... + 1922463.

It is an arithmetic number, because the mean of its divisors is an integer number (16244978112).

Almost surely, 2^851466863088 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 851466863088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1299598248960).

851466863088 is an abundant number, since it is smaller than the sum of its proper divisors (1747729634832).

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

851466863088 is a wasteful number, since it uses less digits than its factorization.

851466863088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511012 (or 511000 counting only the distinct ones).

The product of its (nonzero) digits is 53084160, while the sum is 63.

The spelling of 851466863088 in words is "eight hundred fifty-one billion, four hundred sixty-six million, eight hundred sixty-three thousand, eighty-eight".