659405055556 has 192 divisors, whose sum is σ = 1335305664000. Its totient is φ = 282725904384.

The previous prime is 659405055499. The next prime is 659405055563. The reversal of 659405055556 is 655550504956.

It is a happy number.

It is a super-2 number, since 2×659405055556² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 659405055497 and 659405055506.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1767841786 + ... + 1767842158.

It is an arithmetic number, because the mean of its divisors is an integer number (6954717000).

Almost surely, 2^659405055556 is an apocalyptic number.

It is an amenable number.

659405055556 is an abundant number, since it is smaller than the sum of its proper divisors (675900608444).

659405055556 is a wasteful number, since it uses less digits than its factorization.

659405055556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 798 (or 796 counting only the distinct ones).

The product of its (nonzero) digits is 20250000, while the sum is 55.

The spelling of 659405055556 in words is "six hundred fifty-nine billion, four hundred five million, fifty-five thousand, five hundred fifty-six".