666334148 has 24 divisors (see below), whose sum is σ = 1184549184. Its totient is φ = 327908000.

The previous prime is 666334139. The next prime is 666334153. The reversal of 666334148 is 841433666.

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, 197411 + ... + 200757.

It is an arithmetic number, because the mean of its divisors is an integer number (49356216).

Almost surely, 2^666334148 is an apocalyptic number.

It is an amenable number.

666334148 is a deficient number, since it is larger than the sum of its proper divisors (518215036).

666334148 is a wasteful number, since it uses less digits than its factorization.

666334148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4123 (or 4121 counting only the distinct ones).

The product of its digits is 248832, while the sum is 41.

The square root of 666334148 is about 25813.4489752919. The cubic root of 666334148 is about 873.4351996763.

The spelling of 666334148 in words is "six hundred sixty-six million, three hundred thirty-four thousand, one hundred forty-eight".