5166216655051 has 24 divisors (see below), whose sum is σ = 5455221455376. Its totient is φ = 4891640846400.

The previous prime is 5166216655049. The next prime is 5166216655063. The reversal of 5166216655051 is 1505566126615.

It is not a de Polignac number, because 5166216655051 - 2¹ = 5166216655049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5166216654986 and 5166216655004.

It is not an unprimeable number, because it can be changed into a prime (5166216655081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 401939941 + ... + 401952793.

It is an arithmetic number, because the mean of its divisors is an integer number (227300893974).

Almost surely, 2^{5166216655051} is an apocalyptic number.

5166216655051 is a deficient number, since it is larger than the sum of its proper divisors (289004800325).

5166216655051 is a wasteful number, since it uses less digits than its factorization.

5166216655051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20523 (or 20500 counting only the distinct ones).

The product of its (nonzero) digits is 1620000, while the sum is 49.

The spelling of 5166216655051 in words is "five trillion, one hundred sixty-six billion, two hundred sixteen million, six hundred fifty-five thousand, fifty-one".