8160842644450 has 48 divisors (see below), whose sum is σ = 15738852727080. Its totient is φ = 3144494545920.

The previous prime is 8160842644441. The next prime is 8160842644481. The reversal of 8160842644450 is 544462480618.

It can be written as a sum of positive squares in 12 ways, for example, as 259273437721 + 7901569206729 = 509189^2 + 2810973^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5871189 + ... + 7126888.

Almost surely, 2^{8160842644450} is an apocalyptic number.

8160842644450 is a deficient number, since it is larger than the sum of its proper divisors (7578010082630).

8160842644450 is a wasteful number, since it uses less digits than its factorization.

8160842644450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12998551 (or 12998546 counting only the distinct ones).

The product of its (nonzero) digits is 5898240, while the sum is 52.

The spelling of 8160842644450 in words is "eight trillion, one hundred sixty billion, eight hundred forty-two million, six hundred forty-four thousand, four hundred fifty".