791662548641 has 8 divisors (see below), whose sum is σ = 810872512800. Its totient is φ = 772645649760.

The previous prime is 791662548619. The next prime is 791662548661. The reversal of 791662548641 is 146845266197.

It is a happy number.

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 791662548641 - 2²² = 791658354337 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (59).

It is not an unprimeable number, because it can be changed into a prime (791662548661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48258020 + ... + 48274421.

It is an arithmetic number, because the mean of its divisors is an integer number (101359064100).

Almost surely, 2^791662548641 is an apocalyptic number.

It is an amenable number.

791662548641 is a deficient number, since it is larger than the sum of its proper divisors (19209964159).

791662548641 is a wasteful number, since it uses less digits than its factorization.

791662548641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96532639.

The product of its digits is 17418240, while the sum is 59.

The spelling of 791662548641 in words is "seven hundred ninety-one billion, six hundred sixty-two million, five hundred forty-eight thousand, six hundred forty-one".