791541321506 has 16 divisors (see below), whose sum is σ = 1278800961984. Its totient is φ = 365281824144.

The previous prime is 791541321503. The next prime is 791541321533. The reversal of 791541321506 is 605123145197.

It is not an unprimeable number, because it can be changed into a prime (791541321503) by changing a digit.

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, 1656590 + ... + 2080233.

It is an arithmetic number, because the mean of its divisors is an integer number (79925060124).

Almost surely, 2^791541321506 is an apocalyptic number.

791541321506 is a deficient number, since it is larger than the sum of its proper divisors (487259640478).

791541321506 is a wasteful number, since it uses less digits than its factorization.

791541321506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3744985.

The product of its (nonzero) digits is 226800, while the sum is 44.

The spelling of 791541321506 in words is "seven hundred ninety-one billion, five hundred forty-one million, three hundred twenty-one thousand, five hundred six".