1916673792 has 144 divisors (see below), whose sum is σ = 5858267520. Its totient is φ = 550195200.

The previous prime is 1916673769. The next prime is 1916673793. The reversal of 1916673792 is 2973766191.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1916673793) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 154542 + ... + 166482.

Almost surely, 2^1916673792 is an apocalyptic number.

1916673792 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1916673792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2929133760).

1916673792 is an abundant number, since it is smaller than the sum of its proper divisors (3941593728).

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

1916673792 is a wasteful number, since it uses less digits than its factorization.

1916673792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11990 (or 11976 counting only the distinct ones).

The product of its digits is 857304, while the sum is 51.

The square root of 1916673792 is about 43779.8331655113. The cubic root of 1916673792 is about 1242.1748582383.

The spelling of 1916673792 in words is "one billion, nine hundred sixteen million, six hundred seventy-three thousand, seven hundred ninety-two".