4366521666487 has 16 divisors (see below), whose sum is σ = 4429948046400. Its totient is φ = 4303499270400.

The previous prime is 4366521666469. The next prime is 4366521666497. The reversal of 4366521666487 is 7846661256634.

It is a cyclic number.

It is not a de Polignac number, because 4366521666487 - 2²³ = 4366513277879 is a prime.

It is a super-2 number, since 2×4366521666487² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4366521666497) 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, 126706563 + ... + 126741019.

It is an arithmetic number, because the mean of its divisors is an integer number (276871752900).

Almost surely, 2^{4366521666487} is an apocalyptic number.

4366521666487 is a deficient number, since it is larger than the sum of its proper divisors (63426379913).

4366521666487 is a wasteful number, since it uses less digits than its factorization.

4366521666487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40266.

The product of its digits is 209018880, while the sum is 64.

The spelling of 4366521666487 in words is "four trillion, three hundred sixty-six billion, five hundred twenty-one million, six hundred sixty-six thousand, four hundred eighty-seven".