285663128366070 has 288 divisors, whose sum is σ = 953187063558912. Its totient is φ = 60271780323456.

The previous prime is 285663128366059. The next prime is 285663128366071. The reversal of 285663128366070 is 70663821366582.

285663128366070 is a `hidden beast` number, since 2 + 8 + 5 + 6 + 6 + 3 + 12 + 8 + 3 + 6 + 607 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 285663128365989 and 285663128366007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285663128366071) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 46811212 + ... + 52560591.

It is an arithmetic number, because the mean of its divisors is an integer number (3309677304024).

Almost surely, 2^{285663128366070} is an apocalyptic number.

285663128366070 is an abundant number, since it is smaller than the sum of its proper divisors (667523935192842).

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

285663128366070 is a wasteful number, since it uses less digits than its factorization.

285663128366070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99371858 (or 99371833 counting only the distinct ones).

The product of its (nonzero) digits is 104509440, while the sum is 63.

The spelling of 285663128366070 in words is "two hundred eighty-five trillion, six hundred sixty-three billion, one hundred twenty-eight million, three hundred sixty-six thousand, seventy".