8197941630 has 192 divisors, whose sum is σ = 21473206272. Its totient is φ = 1999918080.

The previous prime is 8197941613. The next prime is 8197941641. The reversal of 8197941630 is 361497918.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 8197941630.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 59838922 + ... + 59839058.

It is an arithmetic number, because the mean of its divisors is an integer number (111839616).

Almost surely, 2^8197941630 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8197941630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10736603136).

8197941630 is an abundant number, since it is smaller than the sum of its proper divisors (13275264642).

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

8197941630 is a wasteful number, since it uses less digits than its factorization.

8197941630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299 (or 262 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 48.

The square root of 8197941630 is about 90542.4852210276. The cubic root of 8197941630 is about 2016.3609308463.

The spelling of 8197941630 in words is "eight billion, one hundred ninety-seven million, nine hundred forty-one thousand, six hundred thirty".