352003668681 has 32 divisors (see below), whose sum is σ = 537174604800. Its totient is φ = 200849673024.

The previous prime is 352003668677. The next prime is 352003668683. The reversal of 352003668681 is 186866300253.

It is not a de Polignac number, because 352003668681 - 2² = 352003668677 is a prime.

It is a super-2 number, since 2×352003668681² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 352003668681.

It is not an unprimeable number, because it can be changed into a prime (352003668683) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 51018970 + ... + 51025868.

It is an arithmetic number, because the mean of its divisors is an integer number (16786706400).

Almost surely, 2^352003668681 is an apocalyptic number.

It is an amenable number.

352003668681 is a deficient number, since it is larger than the sum of its proper divisors (185170936119).

352003668681 is a wasteful number, since it uses less digits than its factorization.

352003668681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10125.

The product of its (nonzero) digits is 1244160, while the sum is 48.

The spelling of 352003668681 in words is "three hundred fifty-two billion, three million, six hundred sixty-eight thousand, six hundred eighty-one".