1996017911 has 8 divisors (see below), whose sum is σ = 2020515840. Its totient is φ = 1971628408.

The previous prime is 1996017893. The next prime is 1996017913. The reversal of 1996017911 is 1197106991.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1996017911 - 2⁶ = 1996017847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1996017913) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10250 + ... + 64008.

It is an arithmetic number, because the mean of its divisors is an integer number (252564480).

Almost surely, 2^1996017911 is an apocalyptic number.

1996017911 is a deficient number, since it is larger than the sum of its proper divisors (24497929).

1996017911 is a wasteful number, since it uses less digits than its factorization.

1996017911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54213.

The product of its (nonzero) digits is 30618, while the sum is 44.

The square root of 1996017911 is about 44676.8162585473. The cubic root of 1996017911 is about 1259.0843080265.

The spelling of 1996017911 in words is "one billion, nine hundred ninety-six million, seventeen thousand, nine hundred eleven".