1666422375034 has 8 divisors (see below), whose sum is σ = 2499639655968. Its totient is φ = 833209156380.

The previous prime is 1666422375031. The next prime is 1666422375061. The reversal of 1666422375034 is 4305732246661.

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 (1666422375031) 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, 410449 + ... + 1871179.

It is an arithmetic number, because the mean of its divisors is an integer number (312454956996).

Almost surely, 2^{1666422375034} is an apocalyptic number.

1666422375034 is a deficient number, since it is larger than the sum of its proper divisors (833217280934).

1666422375034 is a wasteful number, since it uses less digits than its factorization.

1666422375034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2031140.

The product of its (nonzero) digits is 4354560, while the sum is 49.

The spelling of 1666422375034 in words is "one trillion, six hundred sixty-six billion, four hundred twenty-two million, three hundred seventy-five thousand, thirty-four".