946788666 has 16 divisors (see below), whose sum is σ = 1897896000. Its totient is φ = 314876448.

The previous prime is 946788659. The next prime is 946788673. The reversal of 946788666 is 666887649.

It is an interprime number because it is at equal distance from previous prime (946788659) and next prime (946788673).

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 7 ways as a sum of consecutive naturals, for example, 177091 + ... + 182358.

It is an arithmetic number, because the mean of its divisors is an integer number (118618500).

Almost surely, 2^946788666 is an apocalyptic number.

946788666 is an abundant number, since it is smaller than the sum of its proper divisors (951107334).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

946788666 is a wasteful number, since it uses less digits than its factorization.

946788666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359893.

The product of its digits is 20901888, while the sum is 60.

The square root of 946788666 is about 30769.9311991431. The cubic root of 946788666 is about 981.9386398860.

The spelling of 946788666 in words is "nine hundred forty-six million, seven hundred eighty-eight thousand, six hundred sixty-six".