996390511669 has 8 divisors (see below), whose sum is σ = 1139090018048. Its totient is φ = 853780506480.

The previous prime is 996390511661. The next prime is 996390511729. The reversal of 996390511669 is 966115093699.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 996390511669 - 2³ = 996390511661 is a prime.

It is a super-2 number, since 2×996390511669² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 996390511669.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (996390511661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22351437 + ... + 22395970.

It is an arithmetic number, because the mean of its divisors is an integer number (142386252256).

Almost surely, 2^996390511669 is an apocalyptic number.

It is an amenable number.

996390511669 is a deficient number, since it is larger than the sum of its proper divisors (142699506379).

996390511669 is a wasteful number, since it uses less digits than its factorization.

996390511669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44750595.

The product of its (nonzero) digits is 21257640, while the sum is 64.

The spelling of 996390511669 in words is "nine hundred ninety-six billion, three hundred ninety million, five hundred eleven thousand, six hundred sixty-nine".