505791006198 has 16 divisors (see below), whose sum is σ = 1012179541296. Its totient is φ = 168497413920.

The previous prime is 505791006181. The next prime is 505791006211. The reversal of 505791006198 is 891600197505.

It is a self number, because there is not a number n which added to its sum of digits gives 505791006198.

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, 24886033 + ... + 24906348.

It is an arithmetic number, because the mean of its divisors is an integer number (63261221331).

Almost surely, 2^505791006198 is an apocalyptic number.

505791006198 is an abundant number, since it is smaller than the sum of its proper divisors (506388535098).

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

505791006198 is a wasteful number, since it uses less digits than its factorization.

505791006198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49794079.

The product of its (nonzero) digits is 680400, while the sum is 51.

The spelling of 505791006198 in words is "five hundred five billion, seven hundred ninety-one million, six thousand, one hundred ninety-eight".