1916311104 has 84 divisors (see below), whose sum is σ = 5641275484. Its totient is φ = 621499392.

The previous prime is 1916311093. The next prime is 1916311109. The reversal of 1916311104 is 4011136191.

1916311104 is a `hidden beast` number, since 19 + 1 + 631 + 1 + 10 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1674446400 + 241864704 = 40920^2 + 15552^2 .

It is not an unprimeable number, because it can be changed into a prime (1916311109) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23647 + ... + 66270.

Almost surely, 2^1916311104 is an apocalyptic number.

It is an amenable number.

1916311104 is an abundant number, since it is smaller than the sum of its proper divisors (3724964380).

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

1916311104 is a wasteful number, since it uses less digits than its factorization.

1916311104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89972 (or 89959 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 27.

The square root of 1916311104 is about 43775.6907883816. The cubic root of 1916311104 is about 1242.0965019496.

Adding to 1916311104 its reverse (4011136191), we get a palindrome (5927447295).

The spelling of 1916311104 in words is "one billion, nine hundred sixteen million, three hundred eleven thousand, one hundred four".