1996628271 has 16 divisors (see below), whose sum is σ = 2951799168. Its totient is φ = 1190239200.

The previous prime is 1996628269. The next prime is 1996628287. The reversal of 1996628271 is 1728266991.

It is not a de Polignac number, because 1996628271 - 2¹ = 1996628269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1996628261) 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, 493921 + ... + 497946.

It is an arithmetic number, because the mean of its divisors is an integer number (184487448).

Almost surely, 2^1996628271 is an apocalyptic number.

1996628271 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1996628271 is a deficient number, since it is larger than the sum of its proper divisors (955170897).

1996628271 is a wasteful number, since it uses less digits than its factorization.

1996628271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 991942.

The product of its digits is 653184, while the sum is 51.

The square root of 1996628271 is about 44683.6465723199. The cubic root of 1996628271 is about 1259.2126329237.

The spelling of 1996628271 in words is "one billion, nine hundred ninety-six million, six hundred twenty-eight thousand, two hundred seventy-one".