1916912512 has 32 divisors (see below), whose sum is σ = 3821474880. Its totient is φ = 957797376.

The previous prime is 1916912467. The next prime is 1916912551. The reversal of 1916912512 is 2152196191.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 220113 + ... + 228655.

It is an arithmetic number, because the mean of its divisors is an integer number (119421090).

Almost surely, 2^1916912512 is an apocalyptic number.

It is an amenable number.

1916912512 is a deficient number, since it is larger than the sum of its proper divisors (1904562368).

1916912512 is an equidigital number, since it uses as much as digits as its factorization.

1916912512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10310 (or 10298 counting only the distinct ones).

The product of its digits is 9720, while the sum is 37.

The square root of 1916912512 is about 43782.5594500824. The cubic root of 1916912512 is about 1242.2264266853.

The spelling of 1916912512 in words is "one billion, nine hundred sixteen million, nine hundred twelve thousand, five hundred twelve".