1916369968 has 20 divisors (see below), whose sum is σ = 3717418320. Its totient is φ = 957036224.

The previous prime is 1916369957. The next prime is 1916369969. The reversal of 1916369968 is 8699636191.

It is not an unprimeable number, because it can be changed into a prime (1916369969) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57955 + ... + 84802.

It is an arithmetic number, because the mean of its divisors is an integer number (185870916).

Almost surely, 2^1916369968 is an apocalyptic number.

It is an amenable number.

1916369968 is a deficient number, since it is larger than the sum of its proper divisors (1801048352).

1916369968 is a wasteful number, since it uses less digits than its factorization.

1916369968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143604 (or 143598 counting only the distinct ones).

The product of its digits is 3779136, while the sum is 58.

The square root of 1916369968 is about 43776.3631198390. The cubic root of 1916369968 is about 1242.1092197906.

The spelling of 1916369968 in words is "one billion, nine hundred sixteen million, three hundred sixty-nine thousand, nine hundred sixty-eight".