996786526642 has 32 divisors (see below), whose sum is σ = 1524872656944. Its totient is φ = 488581632000.

The previous prime is 996786526627. The next prime is 996786526643. The reversal of 996786526642 is 246625687699.

It can be written as a sum of positive squares in 8 ways, for example, as 221662997721 + 775123528921 = 470811^2 + 880411^2 .

It is not an unprimeable number, because it can be changed into a prime (996786526643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53291892 + ... + 53310592.

Almost surely, 2^996786526642 is an apocalyptic number.

996786526642 is a deficient number, since it is larger than the sum of its proper divisors (528086130302).

996786526642 is a wasteful number, since it uses less digits than its factorization.

996786526642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20974.

The product of its digits is 470292480, while the sum is 70.

The spelling of 996786526642 in words is "nine hundred ninety-six billion, seven hundred eighty-six million, five hundred twenty-six thousand, six hundred forty-two".