5166166560501 has 4 divisors (see below), whose sum is σ = 6888222080672. Its totient is φ = 3444111040332.

The previous prime is 5166166560497. The next prime is 5166166560571. The reversal of 5166166560501 is 1050656616615.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 5166166560501 - 2² = 5166166560497 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 (5166166560571) 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, 861027760081 + ... + 861027760086.

It is an arithmetic number, because the mean of its divisors is an integer number (1722055520168).

Almost surely, 2^{5166166560501} is an apocalyptic number.

It is an amenable number.

5166166560501 is a deficient number, since it is larger than the sum of its proper divisors (1722055520171).

5166166560501 is a wasteful number, since it uses less digits than its factorization.

5166166560501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1722055520170.

The product of its (nonzero) digits is 972000, while the sum is 48.

The spelling of 5166166560501 in words is "five trillion, one hundred sixty-six billion, one hundred sixty-six million, five hundred sixty thousand, five hundred one".