8196516378 has 12 divisors (see below), whose sum is σ = 17759118858. Its totient is φ = 2732172120.

The previous prime is 8196516301. The next prime is 8196516379. The reversal of 8196516378 is 8736156918.

8196516378 is a `hidden beast` number, since 8 + 1 + 96 + 516 + 37 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 7263641529 + 932874849 = 85227^2 + 30543^2 .

It is not an unprimeable number, because it can be changed into a prime (8196516379) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 227680993 + ... + 227681028.

Almost surely, 2^8196516378 is an apocalyptic number.

8196516378 is an abundant number, since it is smaller than the sum of its proper divisors (9562602480).

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

8196516378 is a wasteful number, since it uses less digits than its factorization.

8196516378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455362029 (or 455362026 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 54.

The square root of 8196516378 is about 90534.6142533341. The cubic root of 8196516378 is about 2016.2440726911.

The spelling of 8196516378 in words is "eight billion, one hundred ninety-six million, five hundred sixteen thousand, three hundred seventy-eight".