5166721053007 has 4 divisors (see below), whose sum is σ = 5166734088096. Its totient is φ = 5166708017920.

The previous prime is 5166721052959. The next prime is 5166721053031. The reversal of 5166721053007 is 7003501276615.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5166721053007 - 2³⁹ = 4616965239119 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 (5266721053007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5903719 + ... + 6722152.

It is an arithmetic number, because the mean of its divisors is an integer number (1291683522024).

Almost surely, 2^{5166721053007} is an apocalyptic number.

5166721053007 is a deficient number, since it is larger than the sum of its proper divisors (13035089).

5166721053007 is a wasteful number, since it uses less digits than its factorization.

5166721053007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13035088.

The product of its (nonzero) digits is 264600, while the sum is 43.

The spelling of 5166721053007 in words is "five trillion, one hundred sixty-six billion, seven hundred twenty-one million, fifty-three thousand, seven".