1916948416 has 14 divisors (see below), whose sum is σ = 3803944640. Its totient is φ = 958474176.

The previous prime is 1916948359. The next prime is 1916948419. The reversal of 1916948416 is 6148496191.

It is a self number, because there is not a number n which added to its sum of digits gives 1916948416.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1916948419) by changing a digit.

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 as a sum of consecutive naturals, namely, 14976096 + ... + 14976223.

Almost surely, 2^1916948416 is an apocalyptic number.

1916948416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1916948416 is a deficient number, since it is larger than the sum of its proper divisors (1886996224).

1916948416 is an equidigital number, since it uses as much as digits as its factorization.

1916948416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29952331 (or 29952321 counting only the distinct ones).

The product of its digits is 373248, while the sum is 49.

The square root of 1916948416 is about 43782.9694744429. The cubic root of 1916948416 is about 1242.2341823199.

The spelling of 1916948416 in words is "one billion, nine hundred sixteen million, nine hundred forty-eight thousand, four hundred sixteen".