8612990992168 has 8 divisors (see below), whose sum is σ = 16149358110330. Its totient is φ = 4306495496080.

The previous prime is 8612990992141. The next prime is 8612990992211.

8612990992168 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 5459802370884 + 3153188621284 = 2336622^2 + 1775722^2 .

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

It is a super-2 number, since 2×8612990992168² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8612990992097 and 8612990992106.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 538311937003 + ... + 538311937018.

Almost surely, 2^{8612990992168} is an apocalyptic number.

It is an amenable number.

8612990992168 is a deficient number, since it is larger than the sum of its proper divisors (7536367118162).

8612990992168 is a wasteful number, since it uses less digits than its factorization.

8612990992168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1076623874027 (or 1076623874023 counting only the distinct ones).

The product of its (nonzero) digits is 60466176, while the sum is 70.

The spelling of 8612990992168 in words is "eight trillion, six hundred twelve billion, nine hundred ninety million, nine hundred ninety-two thousand, one hundred sixty-eight".