2366666887237 has 4 divisors (see below), whose sum is σ = 2372568800076. Its totient is φ = 2360764974400.

The previous prime is 2366666887231. The next prime is 2366666887243. The reversal of 2366666887237 is 7327886666632.

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

It is an interprime number because it is at equal distance from previous prime (2366666887231) and next prime (2366666887243).

It can be written as a sum of positive squares in 2 ways, for example, as 1843726749921 + 522940137316 = 1357839^2 + 723146^2 .

It is a cyclic number.

It is not a de Polignac number, because 2366666887237 - 2¹¹ = 2366666885189 is a prime.

It is a super-2 number, since 2×2366666887237² (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 (2366666887231) 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, 2950955818 + ... + 2950956619.

It is an arithmetic number, because the mean of its divisors is an integer number (593142200019).

Almost surely, 2^{2366666887237} is an apocalyptic number.

It is an amenable number.

2366666887237 is a deficient number, since it is larger than the sum of its proper divisors (5901912839).

2366666887237 is an equidigital number, since it uses as much as digits as its factorization.

2366666887237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5901912838.

The product of its digits is 877879296, while the sum is 70.

The spelling of 2366666887237 in words is "two trillion, three hundred sixty-six billion, six hundred sixty-six million, eight hundred eighty-seven thousand, two hundred thirty-seven".