6661507150222 has 8 divisors (see below), whose sum is σ = 9993323420856. Its totient is φ = 3330399343272.

The previous prime is 6661507150211. The next prime is 6661507150223. The reversal of 6661507150222 is 2220517051666.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6661507150223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 177092413 + ... + 177130024.

It is an arithmetic number, because the mean of its divisors is an integer number (1249165427607).

Almost surely, 2^{6661507150222} is an apocalyptic number.

6661507150222 is a deficient number, since it is larger than the sum of its proper divisors (3331816270634).

6661507150222 is a wasteful number, since it uses less digits than its factorization.

6661507150222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354231842.

The product of its (nonzero) digits is 302400, while the sum is 43.

The spelling of 6661507150222 in words is "six trillion, six hundred sixty-one billion, five hundred seven million, one hundred fifty thousand, two hundred twenty-two".