506155101656 has 16 divisors (see below), whose sum is σ = 950708734200. Its totient is φ = 252632772544.

The previous prime is 506155101649. The next prime is 506155101659. The reversal of 506155101656 is 656101551605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (506155101659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55592450 + ... + 55601553.

Almost surely, 2^506155101656 is an apocalyptic number.

It is an amenable number.

506155101656 is a deficient number, since it is larger than the sum of its proper divisors (444553632544).

506155101656 is a wasteful number, since it uses less digits than its factorization.

506155101656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111194578 (or 111194574 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 41.

The spelling of 506155101656 in words is "five hundred six billion, one hundred fifty-five million, one hundred one thousand, six hundred fifty-six".