996653679720 has 64 divisors (see below), whose sum is σ = 2990043227520. Its totient is φ = 265767009024.

The previous prime is 996653679667. The next prime is 996653679733. The reversal of 996653679720 is 27976356699.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5358117 + ... + 5541003.

It is an arithmetic number, because the mean of its divisors is an integer number (46719425430).

Almost surely, 2^996653679720 is an apocalyptic number.

It is an amenable number.

996653679720 is an abundant number, since it is smaller than the sum of its proper divisors (1993389547800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

996653679720 is a wasteful number, since it uses less digits than its factorization.

996653679720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228314 (or 228310 counting only the distinct ones).

The product of its (nonzero) digits is 231472080, while the sum is 69.

The spelling of 996653679720 in words is "nine hundred ninety-six billion, six hundred fifty-three million, six hundred seventy-nine thousand, seven hundred twenty".