222150243061666 has 32 divisors (see below), whose sum is σ = 341586302702400. Its totient is φ = 108321433202880.

The previous prime is 222150243061661. The next prime is 222150243061699. The reversal of 222150243061666 is 666160342051222.

It is not an unprimeable number, because it can be changed into a prime (222150243061661) 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, 3668616 + ... + 21395308.

It is an arithmetic number, because the mean of its divisors is an integer number (10674571959450).

Almost surely, 2^{222150243061666} is an apocalyptic number.

222150243061666 is a deficient number, since it is larger than the sum of its proper divisors (119436059640734).

222150243061666 is a wasteful number, since it uses less digits than its factorization.

222150243061666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17727634.

The product of its (nonzero) digits is 1244160, while the sum is 46.

The spelling of 222150243061666 in words is "two hundred twenty-two trillion, one hundred fifty billion, two hundred forty-three million, sixty-one thousand, six hundred sixty-six".