4513616666663 has 6 divisors (see below), whose sum is σ = 4887525739824. Its totient is φ = 4166415384456.

The previous prime is 4513616666477. The next prime is 4513616666683. The reversal of 4513616666663 is 3666666163154.

It is a happy number.

It is not a de Polignac number, because 4513616666663 - 2²⁶ = 4513549557799 is a prime.

It is a super-2 number, since 2×4513616666663² (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 (4513616666683) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13353895295 + ... + 13353895632.

It is an arithmetic number, because the mean of its divisors is an integer number (814587623304).

Almost surely, 2^{4513616666663} is an apocalyptic number.

4513616666663 is a deficient number, since it is larger than the sum of its proper divisors (373909073161).

4513616666663 is a wasteful number, since it uses less digits than its factorization.

4513616666663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26707790953 (or 26707790940 counting only the distinct ones).

The product of its digits is 50388480, while the sum is 59.

The spelling of 4513616666663 in words is "four trillion, five hundred thirteen billion, six hundred sixteen million, six hundred sixty-six thousand, six hundred sixty-three".