5006665165540 has 48 divisors (see below), whose sum is σ = 11164365702000. Its totient is φ = 1879461384192.

The previous prime is 5006665165511. The next prime is 5006665165543. The reversal of 5006665165540 is 455615666005.

It can be written as a sum of positive squares in 8 ways, for example, as 1335425227236 + 3671239938304 = 1155606^2 + 1916048^2 .

It is not an unprimeable number, because it can be changed into a prime (5006665165543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20978025 + ... + 21215344.

It is an arithmetic number, because the mean of its divisors is an integer number (232590952125).

Almost surely, 2^{5006665165540} is an apocalyptic number.

It is an amenable number.

5006665165540 is an abundant number, since it is smaller than the sum of its proper divisors (6157700536460).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5006665165540 is a wasteful number, since it uses less digits than its factorization.

5006665165540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42193744 (or 42193742 counting only the distinct ones).

The product of its (nonzero) digits is 3240000, while the sum is 49.

The spelling of 5006665165540 in words is "five trillion, six billion, six hundred sixty-five million, one hundred sixty-five thousand, five hundred forty".