366867220000 has 60 divisors (see below), whose sum is σ = 902548440486. Its totient is φ = 146746880000.

The previous prime is 366867219989. The next prime is 366867220003. The reversal of 366867220000 is 22768663.

It can be written as a sum of positive squares in 5 ways, for example, as 11093144976 + 355774075024 = 105324^2 + 596468^2 .

It is a super-2 number, since 2×366867220000² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (366867220003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 9151681 + ... + 9191680.

Almost surely, 2^366867220000 is an apocalyptic number.

It is an amenable number.

366867220000 is an abundant number, since it is smaller than the sum of its proper divisors (535681220486).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

366867220000 is an equidigital number, since it uses as much as digits as its factorization.

366867220000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18343391 (or 18343368 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 40.

Adding to 366867220000 its reverse (22768663), we get a palindrome (366889988663).

The spelling of 366867220000 in words is "three hundred sixty-six billion, eight hundred sixty-seven million, two hundred twenty thousand".