996721349582 has 16 divisors (see below), whose sum is σ = 1709020296672. Its totient is φ = 427077511200.

The previous prime is 996721349563. The next prime is 996721349587. The reversal of 996721349582 is 285943127699.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (996721349587) 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 7 ways as a sum of consecutive naturals, for example, 7328669 + ... + 7463432.

It is an arithmetic number, because the mean of its divisors is an integer number (106813768542).

Almost surely, 2^996721349582 is an apocalyptic number.

996721349582 is a deficient number, since it is larger than the sum of its proper divisors (712298947090).

996721349582 is a wasteful number, since it uses less digits than its factorization.

996721349582 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14796923.

The product of its digits is 58786560, while the sum is 65.

The spelling of 996721349582 in words is "nine hundred ninety-six billion, seven hundred twenty-one million, three hundred forty-nine thousand, five hundred eighty-two".