666506162 has 16 divisors (see below), whose sum is σ = 1142921472. Its totient is φ = 285560640.

The previous prime is 666506041. The next prime is 666506189. The reversal of 666506162 is 261605666.

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, 72983 + ... + 81605.

It is an arithmetic number, because the mean of its divisors is an integer number (71432592).

Almost surely, 2^666506162 is an apocalyptic number.

666506162 is a deficient number, since it is larger than the sum of its proper divisors (476415310).

666506162 is a wasteful number, since it uses less digits than its factorization.

666506162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14153.

The product of its (nonzero) digits is 77760, while the sum is 38.

The square root of 666506162 is about 25816.7806281109. The cubic root of 666506162 is about 873.5103522387.

The spelling of 666506162 in words is "six hundred sixty-six million, five hundred six thousand, one hundred sixty-two".