366868868663 has 4 divisors (see below), whose sum is σ = 400220584008. Its totient is φ = 333517153320.

The previous prime is 366868868629. The next prime is 366868868669.

It is a happy number.

366868868663 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 366868868663 - 2¹⁰ = 366868867639 is a prime.

It is a super-3 number, since 3×366868868663³ (a number of 36 digits) contains 333 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 (366868868669) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16675857656 + ... + 16675857677.

It is an arithmetic number, because the mean of its divisors is an integer number (100055146002).

Almost surely, 2^366868868663 is an apocalyptic number.

366868868663 is a deficient number, since it is larger than the sum of its proper divisors (33351715345).

366868868663 is a wasteful number, since it uses less digits than its factorization.

366868868663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33351715344.

The product of its digits is 1719926784, while the sum is 74.

The spelling of 366868868663 in words is "three hundred sixty-six billion, eight hundred sixty-eight million, eight hundred sixty-eight thousand, six hundred sixty-three".