1996511290 has 16 divisors (see below), whose sum is σ = 3709647360. Its totient is φ = 772842960.

The previous prime is 1996511287. The next prime is 1996511311. The reversal of 1996511290 is 921156991.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3219870 + ... + 3220489.

It is an arithmetic number, because the mean of its divisors is an integer number (231852960).

Almost surely, 2^1996511290 is an apocalyptic number.

1996511290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1996511290 is a deficient number, since it is larger than the sum of its proper divisors (1713136070).

1996511290 is a wasteful number, since it uses less digits than its factorization.

1996511290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6440397.

The product of its (nonzero) digits is 43740, while the sum is 43.

The square root of 1996511290 is about 44682.3375619495. The cubic root of 1996511290 is about 1259.1880403255.

The spelling of 1996511290 in words is "one billion, nine hundred ninety-six million, five hundred eleven thousand, two hundred ninety".