285653640116 has 48 divisors (see below), whose sum is σ = 543534969600. Its totient is φ = 130570392960.

The previous prime is 285653640079. The next prime is 285653640127. The reversal of 285653640116 is 611046356582.

It is a super-2 number, since 2×285653640116² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31048085 + ... + 31057283.

It is an arithmetic number, because the mean of its divisors is an integer number (11323645200).

Almost surely, 2^285653640116 is an apocalyptic number.

285653640116 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

285653640116 is a deficient number, since it is larger than the sum of its proper divisors (257881329484).

285653640116 is a wasteful number, since it uses less digits than its factorization.

285653640116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14904 (or 14902 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 47.

Adding to 285653640116 its reverse (611046356582), we get a palindrome (896699996698).

The spelling of 285653640116 in words is "two hundred eighty-five billion, six hundred fifty-three million, six hundred forty thousand, one hundred sixteen".