1996216344 has 72 divisors (see below), whose sum is σ = 5442912540. Its totient is φ = 660935808.

The previous prime is 1996216337. The next prime is 1996216349. The reversal of 1996216344 is 4436126991.

1996216344 is a `hidden beast` number, since 1 + 9 + 9 + 6 + 2 + 1 + 634 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 1996216344.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1996216349) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 6377532 + ... + 6377844.

Almost surely, 2^1996216344 is an apocalyptic number.

It is an amenable number.

1996216344 is an abundant number, since it is smaller than the sum of its proper divisors (3446696196).

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

1996216344 is a wasteful number, since it uses less digits than its factorization.

1996216344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 921 (or 601 counting only the distinct ones).

The product of its digits is 279936, while the sum is 45.

The square root of 1996216344 is about 44679.0369636589. The cubic root of 1996216344 is about 1259.1260303638.

The spelling of 1996216344 in words is "one billion, nine hundred ninety-six million, two hundred sixteen thousand, three hundred forty-four".