1466641994 has 8 divisors (see below), whose sum is σ = 2203674660. Its totient is φ = 732083776.

The previous prime is 1466641991. The next prime is 1466641999. The reversal of 1466641994 is 4991466641.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1445140225 + 21501769 = 38015^2 + 4637^2 .

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 (1466641991) 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 3 ways as a sum of consecutive naturals, for example, 617129 + ... + 619500.

Almost surely, 2^1466641994 is an apocalyptic number.

1466641994 is a deficient number, since it is larger than the sum of its proper divisors (737032666).

1466641994 is a wasteful number, since it uses less digits than its factorization.

1466641994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1237224.

The product of its digits is 1119744, while the sum is 50.

The square root of 1466641994 is about 38296.7621869003. The cubic root of 1466641994 is about 1136.1649095424.

The spelling of 1466641994 in words is "one billion, four hundred sixty-six million, six hundred forty-one thousand, nine hundred ninety-four".