1042343666 has 24 divisors (see below), whose sum is σ = 1934904384. Its totient is φ = 412354800.

The previous prime is 1042343663. The next prime is 1042343669. The reversal of 1042343666 is 6663432401.

It is an interprime number because it is at equal distance from previous prime (1042343663) and next prime (1042343669).

It is not an unprimeable number, because it can be changed into a prime (1042343663) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 217910 + ... + 222641.

It is an arithmetic number, because the mean of its divisors is an integer number (80621016).

Almost surely, 2^1042343666 is an apocalyptic number.

1042343666 is a deficient number, since it is larger than the sum of its proper divisors (892560718).

1042343666 is a wasteful number, since it uses less digits than its factorization.

1042343666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440586 (or 440573 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 35.

The square root of 1042343666 is about 32285.3475434290. The cubic root of 1042343666 is about 1013.9198928607.

The spelling of 1042343666 in words is "one billion, forty-two million, three hundred forty-three thousand, six hundred sixty-six".