1996164216 has 64 divisors (see below), whose sum is σ = 5562583200. Its totient is φ = 663266304.

The previous prime is 1996164167. The next prime is 1996164217. The reversal of 1996164216 is 6124616991.

It is a happy number.

1996164216 is a `hidden beast` number, since 1 + 9 + 9 + 616 + 4 + 21 + 6 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1996164217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53896 + ... + 83048.

Almost surely, 2^1996164216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1996164216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2781291600).

1996164216 is an abundant number, since it is smaller than the sum of its proper divisors (3566418984).

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

1996164216 is a wasteful number, since it uses less digits than its factorization.

1996164216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29485 (or 29475 counting only the distinct ones).

The product of its digits is 139968, while the sum is 45.

The square root of 1996164216 is about 44678.4535990224. The cubic root of 1996164216 is about 1259.1150702470.

The spelling of 1996164216 in words is "one billion, nine hundred ninety-six million, one hundred sixty-four thousand, two hundred sixteen".