8162931946 has 16 divisors (see below), whose sum is σ = 13203634248. Its totient is φ = 3762547200.

The previous prime is 8162931923. The next prime is 8162931947. The reversal of 8162931946 is 6491392618.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4367755921 + 3795176025 = 66089^2 + 61605^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 8162931946.

It is not an unprimeable number, because it can be changed into a prime (8162931947) 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, 186495 + ... + 226066.

Almost surely, 2^8162931946 is an apocalyptic number.

8162931946 is a deficient number, since it is larger than the sum of its proper divisors (5040702302).

8162931946 is a wasteful number, since it uses less digits than its factorization.

8162931946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413337.

The product of its digits is 559872, while the sum is 49.

The square root of 8162931946 is about 90348.9454614718. The cubic root of 8162931946 is about 2013.4865147097.

The spelling of 8162931946 in words is "eight billion, one hundred sixty-two million, nine hundred thirty-one thousand, nine hundred forty-six".