666162051215 has 8 divisors (see below), whose sum is σ = 799429061760. Its totient is φ = 532906574112.

The previous prime is 666162051211. The next prime is 666162051227. The reversal of 666162051215 is 512150261666.

666162051215 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 666162051215 - 2² = 666162051211 is a prime.

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 polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2755775 + ... + 2987744.

It is an arithmetic number, because the mean of its divisors is an integer number (99928632720).

Almost surely, 2^666162051215 is an apocalyptic number.

666162051215 is a deficient number, since it is larger than the sum of its proper divisors (133267010545).

666162051215 is a wasteful number, since it uses less digits than its factorization.

666162051215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5766721.

The product of its (nonzero) digits is 129600, while the sum is 41.

The spelling of 666162051215 in words is "six hundred sixty-six billion, one hundred sixty-two million, fifty-one thousand, two hundred fifteen".