8116989197 has 8 divisors (see below), whose sum is σ = 8202600000. Its totient is φ = 8031417984.

The previous prime is 8116989193. The next prime is 8116989211. The reversal of 8116989197 is 7919896118.

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

It is a cyclic number.

It is not a de Polignac number, because 8116989197 - 2² = 8116989193 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8116989193) 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, 594554 + ... + 608052.

It is an arithmetic number, because the mean of its divisors is an integer number (1025325000).

Almost surely, 2^8116989197 is an apocalyptic number.

It is an amenable number.

8116989197 is a deficient number, since it is larger than the sum of its proper divisors (85610803).

8116989197 is a wasteful number, since it uses less digits than its factorization.

8116989197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19795.

The product of its digits is 1959552, while the sum is 59.

The square root of 8116989197 is about 90094.3349883887. The cubic root of 8116989197 is about 2009.7019596374.

The spelling of 8116989197 in words is "eight billion, one hundred sixteen million, nine hundred eighty-nine thousand, one hundred ninety-seven".