1996441651 has 8 divisors (see below), whose sum is σ = 2013696000. Its totient is φ = 1979211528.

The previous prime is 1996441609. The next prime is 1996441661. The reversal of 1996441651 is 1561446991.

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 1996441651 - 2¹¹ = 1996439603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1996441661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 185130 + ... + 195616.

It is an arithmetic number, because the mean of its divisors is an integer number (251712000).

Almost surely, 2^1996441651 is an apocalyptic number.

1996441651 is a deficient number, since it is larger than the sum of its proper divisors (17254349).

1996441651 is a wasteful number, since it uses less digits than its factorization.

1996441651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12113.

The product of its digits is 233280, while the sum is 46.

The square root of 1996441651 is about 44681.5582875083. The cubic root of 1996441651 is about 1259.1733998514.

It can be divided in two parts, 199644 and 1651, that added together give a triangular number (201295 = T₆₃₄).

The spelling of 1996441651 in words is "one billion, nine hundred ninety-six million, four hundred forty-one thousand, six hundred fifty-one".