659515885852 has 12 divisors (see below), whose sum is σ = 1154173877136. Its totient is φ = 329751920960.

The previous prime is 659515885843. The next prime is 659515885879. The reversal of 659515885852 is 258588515956.

It is a super-2 number, since 2×659515885852² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1254424 + ... + 1700767.

It is an arithmetic number, because the mean of its divisors is an integer number (96181156428).

Almost surely, 2^659515885852 is an apocalyptic number.

It is an amenable number.

659515885852 is a deficient number, since it is larger than the sum of its proper divisors (494657991284).

659515885852 is a wasteful number, since it uses less digits than its factorization.

659515885852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3010988 (or 3010986 counting only the distinct ones).

The product of its digits is 172800000, while the sum is 67.

The spelling of 659515885852 in words is "six hundred fifty-nine billion, five hundred fifteen million, eight hundred eighty-five thousand, eight hundred fifty-two".