1996016386 has 64 divisors (see below), whose sum is σ = 3891686400. Its totient is φ = 745609536.

The previous prime is 1996016371. The next prime is 1996016389. The reversal of 1996016386 is 6836106991.

It is not an unprimeable number, because it can be changed into a prime (1996016389) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1309821 + ... + 1311343.

It is an arithmetic number, because the mean of its divisors is an integer number (60807600).

Almost surely, 2^1996016386 is an apocalyptic number.

1996016386 is a deficient number, since it is larger than the sum of its proper divisors (1895670014).

1996016386 is a wasteful number, since it uses less digits than its factorization.

1996016386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1943.

The product of its (nonzero) digits is 419904, while the sum is 49.

The square root of 1996016386 is about 44676.7991915267. The cubic root of 1996016386 is about 1259.0839873708.

The spelling of 1996016386 in words is "one billion, nine hundred ninety-six million, sixteen thousand, three hundred eighty-six".