8191224370 has 128 divisors (see below), whose sum is σ = 18119946240. Its totient is φ = 2605236480.

The previous prime is 8191224341. The next prime is 8191224407. The reversal of 8191224370 is 734221918.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12391840 + ... + 12392500.

It is an arithmetic number, because the mean of its divisors is an integer number (141562080).

Almost surely, 2^8191224370 is an apocalyptic number.

8191224370 is an abundant number, since it is smaller than the sum of its proper divisors (9928721870).

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

8191224370 is a wasteful number, since it uses less digits than its factorization.

8191224370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 920.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 8191224370 is about 90505.3830995704. The cubic root of 8191224370 is about 2015.8100559120.

The spelling of 8191224370 in words is "eight billion, one hundred ninety-one million, two hundred twenty-four thousand, three hundred seventy".