851416275504 has 40 divisors (see below), whose sum is σ = 2199525096880. Its totient is φ = 283801160448.

The previous prime is 851416275503. The next prime is 851416275533. The reversal of 851416275504 is 405572614158.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (851416275503) 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 7 ways as a sum of consecutive naturals, for example, 6093594 + ... + 6231750.

It is an arithmetic number, because the mean of its divisors is an integer number (54988127422).

Almost surely, 2^851416275504 is an apocalyptic number.

It is an amenable number.

851416275504 is an abundant number, since it is smaller than the sum of its proper divisors (1348108821376).

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

851416275504 is a wasteful number, since it uses less digits than its factorization.

851416275504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266557 (or 266551 counting only the distinct ones).

The product of its (nonzero) digits is 1344000, while the sum is 48.

The spelling of 851416275504 in words is "eight hundred fifty-one billion, four hundred sixteen million, two hundred seventy-five thousand, five hundred four".