1729166494 has 16 divisors (see below), whose sum is σ = 2833168896. Its totient is φ = 784978200.

The previous prime is 1729166477. The next prime is 1729166501. The reversal of 1729166494 is 4946619271.

1729166494 is nontrivially palindromic in base 7.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 32622 + ... + 67249.

It is an arithmetic number, because the mean of its divisors is an integer number (177073056).

Almost surely, 2^1729166494 is an apocalyptic number.

1729166494 is a deficient number, since it is larger than the sum of its proper divisors (1104002402).

1729166494 is a wasteful number, since it uses less digits than its factorization.

1729166494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100671.

The product of its digits is 653184, while the sum is 49.

The square root of 1729166494 is about 41583.2477567590. The cubic root of 1729166494 is about 1200.2699610222.

The spelling of 1729166494 in words is "one billion, seven hundred twenty-nine million, one hundred sixty-six thousand, four hundred ninety-four".