1601973326 has 8 divisors (see below), whose sum is σ = 2413273824. Its totient is φ = 797548720.

The previous prime is 1601973319. The next prime is 1601973337. The reversal of 1601973326 is 6233791061.

It is a happy number.

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

It is a super-3 number, since 3×1601973326³ (a number of 29 digits) contains 333 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1601973326.

It is a congruent number.

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, 1718390 + ... + 1719321.

It is an arithmetic number, because the mean of its divisors is an integer number (301659228).

Almost surely, 2^1601973326 is an apocalyptic number.

1601973326 is a deficient number, since it is larger than the sum of its proper divisors (811300498).

1601973326 is a wasteful number, since it uses less digits than its factorization.

1601973326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3437946.

The product of its (nonzero) digits is 40824, while the sum is 38.

The square root of 1601973326 is about 40024.6589741874. The cubic root of 1601973326 is about 1170.0877344295.

The spelling of 1601973326 in words is "one billion, six hundred one million, nine hundred seventy-three thousand, three hundred twenty-six".