1937803266816 has 72 divisors (see below), whose sum is σ = 5335223495280. Its totient is φ = 623660814336.

The previous prime is 1937803266683. The next prime is 1937803266829. The reversal of 1937803266816 is 6186623087391.

It is a self number, because there is not a number n which added to its sum of digits gives 1937803266816.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43480855 + ... + 43525398.

Almost surely, 2^{1937803266816} is an apocalyptic number.

1937803266816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1937803266816 is an abundant number, since it is smaller than the sum of its proper divisors (3397420228464).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1937803266816 is an equidigital number, since it uses as much as digits as its factorization.

1937803266816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87006301 (or 87006287 counting only the distinct ones).

The product of its (nonzero) digits is 15676416, while the sum is 60.

The spelling of 1937803266816 in words is "one trillion, nine hundred thirty-seven billion, eight hundred three million, two hundred sixty-six thousand, eight hundred sixteen".