791066880169 has 4 divisors (see below), whose sum is σ = 791598870144. Its totient is φ = 790534890196.

The previous prime is 791066880151. The next prime is 791066880203. The reversal of 791066880169 is 961088660197.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 791066880169 - 2¹³ = 791066871977 is a prime.

It is a super-2 number, since 2×791066880169² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (791066880469) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 265992757 + ... + 265995730.

It is an arithmetic number, because the mean of its divisors is an integer number (197899717536).

Almost surely, 2^791066880169 is an apocalyptic number.

It is an amenable number.

791066880169 is a deficient number, since it is larger than the sum of its proper divisors (531989975).

791066880169 is a wasteful number, since it uses less digits than its factorization.

791066880169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531989974.

The product of its (nonzero) digits is 7838208, while the sum is 61.

The spelling of 791066880169 in words is "seven hundred ninety-one billion, sixty-six million, eight hundred eighty thousand, one hundred sixty-nine".