666102346 has 24 divisors (see below), whose sum is σ = 1236488544. Its totient is φ = 263512080.

The previous prime is 666102337. The next prime is 666102383. The reversal of 666102346 is 643201666.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 138400 + ... + 143131.

It is an arithmetic number, because the mean of its divisors is an integer number (51520356).

Almost surely, 2^666102346 is an apocalyptic number.

666102346 is a deficient number, since it is larger than the sum of its proper divisors (570386198).

666102346 is a wasteful number, since it uses less digits than its factorization.

666102346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281566 (or 281553 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 34.

The square root of 666102346 is about 25808.9586384263. The cubic root of 666102346 is about 873.3339053988. Note that the first 3 decimals are identical.

The spelling of 666102346 in words is "six hundred sixty-six million, one hundred two thousand, three hundred forty-six".