285166352973 has 16 divisors (see below), whose sum is σ = 394523837120. Its totient is φ = 183065826816.

The previous prime is 285166352971. The next prime is 285166353041. The reversal of 285166352973 is 379253661582.

It is not a de Polignac number, because 285166352973 - 2¹ = 285166352971 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285166352971) 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 15 ways as a sum of consecutive naturals, for example, 13231843 + ... + 13253376.

It is an arithmetic number, because the mean of its divisors is an integer number (24657739820).

Almost surely, 2^285166352973 is an apocalyptic number.

It is an amenable number.

285166352973 is a deficient number, since it is larger than the sum of its proper divisors (109357484147).

285166352973 is a wasteful number, since it uses less digits than its factorization.

285166352973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26485356.

The product of its digits is 16329600, while the sum is 57.

The spelling of 285166352973 in words is "two hundred eighty-five billion, one hundred sixty-six million, three hundred fifty-two thousand, nine hundred seventy-three".