203198262055 has 16 divisors (see below), whose sum is σ = 244454919840. Its totient is φ = 162147791232.

The previous prime is 203198262037. The next prime is 203198262061. The reversal of 203198262055 is 550262891302.

It is a cyclic number.

It is not a de Polignac number, because 203198262055 - 2²⁹ = 202661391143 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3183717 + ... + 3246913.

It is an arithmetic number, because the mean of its divisors is an integer number (15278432490).

Almost surely, 2^203198262055 is an apocalyptic number.

203198262055 is a deficient number, since it is larger than the sum of its proper divisors (41256657785).

203198262055 is an equidigital number, since it uses as much as digits as its factorization.

203198262055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64818.

The product of its (nonzero) digits is 259200, while the sum is 43.

The spelling of 203198262055 in words is "two hundred three billion, one hundred ninety-eight million, two hundred sixty-two thousand, fifty-five".