21032830726606 has 8 divisors (see below), whose sum is σ = 33209732726280. Its totient is φ = 9962919817848.

The previous prime is 21032830726529. The next prime is 21032830726613. The reversal of 21032830726606 is 60662703823012.

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

It is a super-2 number, since 2×21032830726606² (a number of 27 digits) contains 22 as substring.

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, 276747772681 + ... + 276747772756.

It is an arithmetic number, because the mean of its divisors is an integer number (4151216590785).

Almost surely, 2^{21032830726606} is an apocalyptic number.

21032830726606 is a deficient number, since it is larger than the sum of its proper divisors (12176901999674).

21032830726606 is a wasteful number, since it uses less digits than its factorization.

21032830726606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553495545458.

The product of its (nonzero) digits is 870912, while the sum is 46.

The spelling of 21032830726606 in words is "twenty-one trillion, thirty-two billion, eight hundred thirty million, seven hundred twenty-six thousand, six hundred six".