8196651390 has 32 divisors (see below), whose sum is σ = 19681222176. Its totient is φ = 2184744960.

The previous prime is 8196651389. The next prime is 8196651391. The reversal of 8196651390 is 931566918.

It is an interprime number because it is at equal distance from previous prime (8196651389) and next prime (8196651391).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8196651391) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1614 + ... + 128046.

It is an arithmetic number, because the mean of its divisors is an integer number (615038193).

Almost surely, 2^8196651390 is an apocalyptic number.

8196651390 is an abundant number, since it is smaller than the sum of its proper divisors (11484570786).

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

8196651390 is a wasteful number, since it uses less digits than its factorization.

8196651390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128604.

The product of its (nonzero) digits is 349920, while the sum is 48.

The square root of 8196651390 is about 90535.3598877256. The cubic root of 8196651390 is about 2016.2551430709.

The spelling of 8196651390 in words is "eight billion, one hundred ninety-six million, six hundred fifty-one thousand, three hundred ninety".