666162051214 has 16 divisors (see below), whose sum is σ = 1098666694656. Its totient is φ = 300416671800.

The previous prime is 666162051211. The next prime is 666162051227. The reversal of 666162051214 is 412150261666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (666162051211) 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 7 ways as a sum of consecutive naturals, for example, 119210172 + ... + 119215759.

It is an arithmetic number, because the mean of its divisors is an integer number (68666668416).

Almost surely, 2^666162051214 is an apocalyptic number.

666162051214 is a deficient number, since it is larger than the sum of its proper divisors (432504643442).

666162051214 is a wasteful number, since it uses less digits than its factorization.

666162051214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238426071.

The product of its (nonzero) digits is 103680, while the sum is 40.

The spelling of 666162051214 in words is "six hundred sixty-six billion, one hundred sixty-two million, fifty-one thousand, two hundred fourteen".