996699521452 has 24 divisors (see below), whose sum is σ = 1777902981120. Its totient is φ = 488766438480.

The previous prime is 996699521413. The next prime is 996699521483. The reversal of 996699521452 is 254125996699.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4797708 + ... + 5001139.

It is an arithmetic number, because the mean of its divisors is an integer number (74079290880).

Almost surely, 2^996699521452 is an apocalyptic number.

It is an amenable number.

996699521452 is a deficient number, since it is larger than the sum of its proper divisors (781203459668).

996699521452 is a wasteful number, since it uses less digits than its factorization.

996699521452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9799341 (or 9799339 counting only the distinct ones).

The product of its digits is 94478400, while the sum is 67.

It can be divided in two parts, 996699 and 521452, that added together give a palindrome (1518151).

The spelling of 996699521452 in words is "nine hundred ninety-six billion, six hundred ninety-nine million, five hundred twenty-one thousand, four hundred fifty-two".