655500004998 has 16 divisors (see below), whose sum is σ = 1311537995760. Its totient is φ = 218410337376.

The previous prime is 655500004993. The next prime is 655500005029. The reversal of 655500004998 is 899400005556.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 655500004998.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (655500004993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22400233 + ... + 22429476.

It is an arithmetic number, because the mean of its divisors is an integer number (81971124735).

Almost surely, 2^655500004998 is an apocalyptic number.

655500004998 is an abundant number, since it is smaller than the sum of its proper divisors (656037990762).

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

655500004998 is a wasteful number, since it uses less digits than its factorization.

655500004998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44832151.

The product of its (nonzero) digits is 1944000, while the sum is 51.

The spelling of 655500004998 in words is "six hundred fifty-five billion, five hundred million, four thousand, nine hundred ninety-eight".