1666230434 has 8 divisors (see below), whose sum is σ = 2726558928. Its totient is φ = 757377460.

The previous prime is 1666230427. The next prime is 1666230443. The reversal of 1666230434 is 4340326661.

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

It is a junction number, because it is equal to n+sod(n) for n = 1666230394 and 1666230403.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37868852 + ... + 37868895.

It is an arithmetic number, because the mean of its divisors is an integer number (340819866).

Almost surely, 2^1666230434 is an apocalyptic number.

1666230434 is a deficient number, since it is larger than the sum of its proper divisors (1060328494).

1666230434 is a wasteful number, since it uses less digits than its factorization.

1666230434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75737760.

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

The square root of 1666230434 is about 40819.4859595267. The cubic root of 1666230434 is about 1185.5276502670.

The spelling of 1666230434 in words is "one billion, six hundred sixty-six million, two hundred thirty thousand, four hundred thirty-four".