8162513992 has 8 divisors (see below), whose sum is σ = 15304713750. Its totient is φ = 4081256992.

The previous prime is 8162513951. The next prime is 8162514007. The reversal of 8162513992 is 2993152618.

It can be written as a sum of positive squares in only one way, i.e., 6914587716 + 1247926276 = 83154^2 + 35326^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510157117 + ... + 510157132.

Almost surely, 2^8162513992 is an apocalyptic number.

It is an amenable number.

8162513992 is a deficient number, since it is larger than the sum of its proper divisors (7142199758).

8162513992 is a wasteful number, since it uses less digits than its factorization.

8162513992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1020314255 (or 1020314251 counting only the distinct ones).

The product of its digits is 233280, while the sum is 46.

The square root of 8162513992 is about 90346.6324330907. The cubic root of 8162513992 is about 2013.4521496429.

The spelling of 8162513992 in words is "eight billion, one hundred sixty-two million, five hundred thirteen thousand, nine hundred ninety-two".