851401308600 has 384 divisors, whose sum is σ = 3063039667200. Its totient is φ = 216961113600.

The previous prime is 851401308599. The next prime is 851401308613. The reversal of 851401308600 is 6803104158.

851401308600 is a `hidden beast` number, since 8 + 5 + 1 + 40 + 1 + 3 + 0 + 8 + 600 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 161829970 + ... + 161835230.

It is an arithmetic number, because the mean of its divisors is an integer number (7976665800).

Almost surely, 2^851401308600 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 851401308600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1531519833600).

851401308600 is an abundant number, since it is smaller than the sum of its proper divisors (2211638358600).

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

851401308600 is a wasteful number, since it uses less digits than its factorization.

851401308600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6612 (or 6597 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The spelling of 851401308600 in words is "eight hundred fifty-one billion, four hundred one million, three hundred eight thousand, six hundred".