503206660542 has 16 divisors (see below), whose sum is σ = 1010808141840. Its totient is φ = 167003083392.

The previous prime is 503206660513. The next prime is 503206660559. The reversal of 503206660542 is 245066602305.

It is a self number, because there is not a number n which added to its sum of digits gives 503206660542.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 183116043 + ... + 183118790.

It is an arithmetic number, because the mean of its divisors is an integer number (63175508865).

Almost surely, 2^503206660542 is an apocalyptic number.

503206660542 is an abundant number, since it is smaller than the sum of its proper divisors (507601481298).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

503206660542 is a wasteful number, since it uses less digits than its factorization.

503206660542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366235067.

The product of its (nonzero) digits is 259200, while the sum is 39.

The spelling of 503206660542 in words is "five hundred three billion, two hundred six million, six hundred sixty thousand, five hundred forty-two".