8168016016 has 10 divisors (see below), whose sum is σ = 15825531062. Its totient is φ = 4084008000.

The previous prime is 8168015981. The next prime is 8168016019. The reversal of 8168016016 is 6106108618.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 7888992400 + 279023616 = 88820^2 + 16704^2 .

It is not an unprimeable number, because it can be changed into a prime (8168016019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255250485 + ... + 255250516.

Almost surely, 2^8168016016 is an apocalyptic number.

It is an amenable number.

8168016016 is a deficient number, since it is larger than the sum of its proper divisors (7657515046).

8168016016 is a wasteful number, since it uses less digits than its factorization.

8168016016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510501009 (or 510501003 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 37.

The square root of 8168016016 is about 90377.0768281427. The cubic root of 8168016016 is about 2013.9044438707.

The spelling of 8168016016 in words is "eight billion, one hundred sixty-eight million, sixteen thousand, sixteen".