6546616166457 has 24 divisors (see below), whose sum is σ = 10032296668160. Its totient is φ = 4102148201760.

The previous prime is 6546616166437. The next prime is 6546616166459. The reversal of 6546616166457 is 7546616166456.

6546616166457 is a `hidden beast` number, since 6 + 5 + 4 + 6 + 6 + 1 + 616 + 6 + 4 + 5 + 7 = 666.

It is not a de Polignac number, because 6546616166457 - 2²⁰ = 6546615117881 is a prime.

It is a super-2 number, since 2×6546616166457² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6546616166394 and 6546616166403.

It is not an unprimeable number, because it can be changed into a prime (6546616166459) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 150703894 + ... + 150747327.

Almost surely, 2^{6546616166457} is an apocalyptic number.

It is an amenable number.

6546616166457 is a deficient number, since it is larger than the sum of its proper divisors (3485680501703).

6546616166457 is a wasteful number, since it uses less digits than its factorization.

6546616166457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301451373 (or 301451370 counting only the distinct ones).

The product of its digits is 130636800, while the sum is 63.

Subtracting 6546616166457 from its reverse (7546616166456), we obtain a palindrome (999999999999).

The spelling of 6546616166457 in words is "six trillion, five hundred forty-six billion, six hundred sixteen million, one hundred sixty-six thousand, four hundred fifty-seven".