5006665165501 has 8 divisors (see below), whose sum is σ = 5009528114360. Its totient is φ = 5003802667008.

The previous prime is 5006665165373. The next prime is 5006665165507. The reversal of 5006665165501 is 1055615666005.

It can be written as a sum of positive squares in 4 ways, for example, as 3741512621401 + 1265152544100 = 1934299^2 + 1124790^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5006665165501 - 2⁷ = 5006665165373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5006665165507) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23535325 + ... + 23747101.

It is an arithmetic number, because the mean of its divisors is an integer number (626191014295).

Almost surely, 2^{5006665165501} is an apocalyptic number.

It is an amenable number.

5006665165501 is a deficient number, since it is larger than the sum of its proper divisors (2862948859).

5006665165501 is a wasteful number, since it uses less digits than its factorization.

5006665165501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225183.

The product of its (nonzero) digits is 810000, while the sum is 46.

The spelling of 5006665165501 in words is "five trillion, six billion, six hundred sixty-five million, one hundred sixty-five thousand, five hundred one".