2198261594155 has 8 divisors (see below), whose sum is σ = 2877724268784. Its totient is φ = 1598735704800.

The previous prime is 2198261594147. The next prime is 2198261594159. The reversal of 2198261594155 is 5514951628912.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2198261594155 - 2³ = 2198261594147 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2198261594155.

It is not an unprimeable number, because it can be changed into a prime (2198261594159) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19984196256 + ... + 19984196365.

It is an arithmetic number, because the mean of its divisors is an integer number (359715533598).

Almost surely, 2^{2198261594155} is an apocalyptic number.

2198261594155 is a deficient number, since it is larger than the sum of its proper divisors (679462674629).

2198261594155 is a wasteful number, since it uses less digits than its factorization.

2198261594155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39968392637.

The product of its digits is 7776000, while the sum is 58.

The spelling of 2198261594155 in words is "two trillion, one hundred ninety-eight billion, two hundred sixty-one million, five hundred ninety-four thousand, one hundred fifty-five".