1791079668 has 96 divisors (see below), whose sum is σ = 5407153920. Its totient is φ = 502070400.

The previous prime is 1791079663. The next prime is 1791079673. The reversal of 1791079668 is 8669701971.

1791079668 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1791079663) and next prime (1791079673).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1791079663) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17718 + ... + 62418.

It is an arithmetic number, because the mean of its divisors is an integer number (56324520).

Almost surely, 2^1791079668 is an apocalyptic number.

1791079668 is a gapful number since it is divisible by the number (18) 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 1791079668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2703576960).

1791079668 is an abundant number, since it is smaller than the sum of its proper divisors (3616074252).

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

1791079668 is a wasteful number, since it uses less digits than its factorization.

1791079668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44774 (or 44766 counting only the distinct ones).

The product of its (nonzero) digits is 1143072, while the sum is 54.

The square root of 1791079668 is about 42321.1491809946. The cubic root of 1791079668 is about 1214.4276163868.

The spelling of 1791079668 in words is "one billion, seven hundred ninety-one million, seventy-nine thousand, six hundred sixty-eight".