307842430666 has 8 divisors (see below), whose sum is σ = 461766364740. Its totient is φ = 153920309088.

The previous prime is 307842430663. The next prime is 307842430673. The reversal of 307842430666 is 666034248703.

It can be written as a sum of positive squares in 2 ways, for example, as 306511713225 + 1330717441 = 553635^2 + 36479^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (307842430663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112900 + ... + 792736.

Almost surely, 2^307842430666 is an apocalyptic number.

307842430666 is a deficient number, since it is larger than the sum of its proper divisors (153923934074).

307842430666 is a wasteful number, since it uses less digits than its factorization.

307842430666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 906248.

The product of its (nonzero) digits is 3483648, while the sum is 49.

The spelling of 307842430666 in words is "three hundred seven billion, eight hundred forty-two million, four hundred thirty thousand, six hundred sixty-six".