2061566198 has 8 divisors (see below), whose sum is σ = 3092982408. Its totient is φ = 1030572064.

The previous prime is 2061566197. The next prime is 2061566203. The reversal of 2061566198 is 8916651602.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2061566197) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93011 + ... + 113022.

It is an arithmetic number, because the mean of its divisors is an integer number (386622801).

Almost surely, 2^2061566198 is an apocalyptic number.

2061566198 is a deficient number, since it is larger than the sum of its proper divisors (1031416210).

2061566198 is a wasteful number, since it uses less digits than its factorization.

2061566198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211038.

The product of its (nonzero) digits is 155520, while the sum is 44.

The square root of 2061566198 is about 45404.4733258740. The cubic root of 2061566198 is about 1272.7187089000.

The spelling of 2061566198 in words is "two billion, sixty-one million, five hundred sixty-six thousand, one hundred ninety-eight".