1912337216 has 14 divisors (see below), whose sum is σ = 3794794290. Its totient is φ = 956168576.

The previous prime is 1912337201. The next prime is 1912337221. The reversal of 1912337216 is 6127332191.

It can be written as a sum of positive squares in only one way, i.e., 1818169600 + 94167616 = 42640^2 + 9704^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14940071 + ... + 14940198.

It is an arithmetic number, because the mean of its divisors is an integer number (271056735).

Almost surely, 2^1912337216 is an apocalyptic number.

1912337216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1912337216 is a deficient number, since it is larger than the sum of its proper divisors (1882457074).

1912337216 is an equidigital number, since it uses as much as digits as its factorization.

1912337216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29880281 (or 29880271 counting only the distinct ones).

The product of its digits is 13608, while the sum is 35.

The square root of 1912337216 is about 43730.2780233559. The cubic root of 1912337216 is about 1241.2373219982.

The spelling of 1912337216 in words is "one billion, nine hundred twelve million, three hundred thirty-seven thousand, two hundred sixteen".