5166450547668 has 48 divisors (see below), whose sum is σ = 13594419370560. Its totient is φ = 1696446446112.

The previous prime is 5166450547667. The next prime is 5166450547679. The reversal of 5166450547668 is 8667450546615.

It is a happy number.

5166450547668 is a `hidden beast` number, since 5 + 1 + 6 + 6 + 450 + 54 + 76 + 68 = 666.

It is a super-2 number, since 2×5166450547668² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5166450547667) 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, 356989071 + ... + 357003542.

It is an arithmetic number, because the mean of its divisors is an integer number (283217070220).

Almost surely, 2^{5166450547668} is an apocalyptic number.

It is an amenable number.

5166450547668 is an abundant number, since it is smaller than the sum of its proper divisors (8427968822892).

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

5166450547668 is a wasteful number, since it uses less digits than its factorization.

5166450547668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 713992693 (or 713992685 counting only the distinct ones).

The product of its (nonzero) digits is 145152000, while the sum is 63.

The spelling of 5166450547668 in words is "five trillion, one hundred sixty-six billion, four hundred fifty million, five hundred forty-seven thousand, six hundred sixty-eight".