223012100577666 has 16 divisors (see below), whose sum is σ = 448760545949664. Its totient is φ = 73881309393504.

The previous prime is 223012100577647. The next prime is 223012100577697. The reversal of 223012100577666 is 666775001210322.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114014365371 + ... + 114014367326.

It is an arithmetic number, because the mean of its divisors is an integer number (28047534121854).

Almost surely, 2^{223012100577666} is an apocalyptic number.

223012100577666 is an abundant number, since it is smaller than the sum of its proper divisors (225748445371998).

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

223012100577666 is a wasteful number, since it uses less digits than its factorization.

223012100577666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228028732865.

The product of its (nonzero) digits is 1270080, while the sum is 48.

Adding to 223012100577666 its reverse (666775001210322), we get a palindrome (889787101787988).

The spelling of 223012100577666 in words is "two hundred twenty-three trillion, twelve billion, one hundred million, five hundred seventy-seven thousand, six hundred sixty-six".