1996062191 has 16 divisors (see below), whose sum is σ = 2180262240. Its totient is φ = 1820206080.

The previous prime is 1996062181. The next prime is 1996062197. The reversal of 1996062191 is 1912606991.

It is a cyclic number.

It is not a de Polignac number, because 1996062191 - 2³⁰ = 922320367 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1996062197) 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, 55115 + ... + 83843.

It is an arithmetic number, because the mean of its divisors is an integer number (136266390).

Almost surely, 2^1996062191 is an apocalyptic number.

1996062191 is a deficient number, since it is larger than the sum of its proper divisors (184200049).

1996062191 is a wasteful number, since it uses less digits than its factorization.

1996062191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28874.

The product of its (nonzero) digits is 52488, while the sum is 44.

The square root of 1996062191 is about 44677.3118148351. The cubic root of 1996062191 is about 1259.0936185377.

The spelling of 1996062191 in words is "one billion, nine hundred ninety-six million, sixty-two thousand, one hundred ninety-one".