5271720198 has 16 divisors (see below), whose sum is σ = 11001851136. Its totient is φ = 1680838280.

The previous prime is 5271720193. The next prime is 5271720203. The reversal of 5271720198 is 8910271725.

It is an interprime number because it is at equal distance from previous prime (5271720193) and next prime (5271720203).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5271720193) 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, 19100298 + ... + 19100573.

It is an arithmetic number, because the mean of its divisors is an integer number (687615696).

Almost surely, 2^5271720198 is an apocalyptic number.

5271720198 is an abundant number, since it is smaller than the sum of its proper divisors (5730130938).

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

5271720198 is a wasteful number, since it uses less digits than its factorization.

5271720198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38200899.

The product of its (nonzero) digits is 70560, while the sum is 42.

The square root of 5271720198 is about 72606.6126327348. The cubic root of 5271720198 is about 1740.4068496371.

The spelling of 5271720198 in words is "five billion, two hundred seventy-one million, seven hundred twenty thousand, one hundred ninety-eight".