1791294816 has 24 divisors (see below), whose sum is σ = 4702149144. Its totient is φ = 597098240.

The previous prime is 1791294767. The next prime is 1791294833. The reversal of 1791294816 is 6184921971.

1791294816 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9329565 + ... + 9329756.

It is an arithmetic number, because the mean of its divisors is an integer number (195922881).

Almost surely, 2^1791294816 is an apocalyptic number.

1791294816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1791294816 is an abundant number, since it is smaller than the sum of its proper divisors (2910854328).

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

1791294816 is a wasteful number, since it uses less digits than its factorization.

1791294816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18659334 (or 18659326 counting only the distinct ones).

The product of its digits is 217728, while the sum is 48.

The square root of 1791294816 is about 42323.6909543579. The cubic root of 1791294816 is about 1214.4762409150.

The spelling of 1791294816 in words is "one billion, seven hundred ninety-one million, two hundred ninety-four thousand, eight hundred sixteen".