942012666 has 80 divisors (see below), whose sum is σ = 2539373760. Its totient is φ = 254975040.

The previous prime is 942012661. The next prime is 942012667. The reversal of 942012666 is 666210249.

It is a self number, because there is not a number n which added to its sum of digits gives 942012666.

It is not an unprimeable number, because it can be changed into a prime (942012661) by changing a digit.

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 39 ways as a sum of consecutive naturals, for example, 315 + ... + 43406.

It is an arithmetic number, because the mean of its divisors is an integer number (31742172).

Almost surely, 2^942012666 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 942012666, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1269686880).

942012666 is an abundant number, since it is smaller than the sum of its proper divisors (1597361094).

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

942012666 is a wasteful number, since it uses less digits than its factorization.

942012666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43761 (or 43752 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 942012666 is about 30692.2248460420. The cubic root of 942012666 is about 980.2847520445.

The spelling of 942012666 in words is "nine hundred forty-two million, twelve thousand, six hundred sixty-six".