505662664532 has 12 divisors (see below), whose sum is σ = 889401591540. Its totient is φ = 251547924096.

The previous prime is 505662664519. The next prime is 505662664547. The reversal of 505662664532 is 235466266505.

It can be written as a sum of positive squares in 2 ways, for example, as 313226031556 + 192436632976 = 559666^2 + 438676^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 320851157 + ... + 320852732.

It is an arithmetic number, because the mean of its divisors is an integer number (74116799295).

Almost surely, 2^505662664532 is an apocalyptic number.

It is an amenable number.

505662664532 is a deficient number, since it is larger than the sum of its proper divisors (383738927008).

505662664532 is a wasteful number, since it uses less digits than its factorization.

505662664532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641704090 (or 641704088 counting only the distinct ones).

The product of its (nonzero) digits is 7776000, while the sum is 50.

The spelling of 505662664532 in words is "five hundred five billion, six hundred sixty-two million, six hundred sixty-four thousand, five hundred thirty-two".