1791130655 has 8 divisors (see below), whose sum is σ = 2155215552. Its totient is φ = 1428998688.

The previous prime is 1791130603. The next prime is 1791130687. The reversal of 1791130655 is 5560311971.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1791130655 - 2¹⁰ = 1791129631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 486212 + ... + 489881.

It is an arithmetic number, because the mean of its divisors is an integer number (269401944).

Almost surely, 2^1791130655 is an apocalyptic number.

1791130655 is a deficient number, since it is larger than the sum of its proper divisors (364084897).

1791130655 is an equidigital number, since it uses as much as digits as its factorization.

1791130655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 976465.

The product of its (nonzero) digits is 28350, while the sum is 38.

The square root of 1791130655 is about 42321.7515587434. The cubic root of 1791130655 is about 1214.4391400568.

The spelling of 1791130655 in words is "one billion, seven hundred ninety-one million, one hundred thirty thousand, six hundred fifty-five".