791651163 has 16 divisors (see below), whose sum is σ = 1081330560. Its totient is φ = 515017536.

The previous prime is 791651153. The next prime is 791651167. The reversal of 791651163 is 361156197.

It is a happy number.

It is not a de Polignac number, because 791651163 - 2⁸ = 791650907 is a prime.

It is not an unprimeable number, because it can be changed into a prime (791651167) 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 15 ways as a sum of consecutive naturals, for example, 3103 + ... + 39911.

It is an arithmetic number, because the mean of its divisors is an integer number (67583160).

Almost surely, 2^791651163 is an apocalyptic number.

791651163 is a deficient number, since it is larger than the sum of its proper divisors (289679397).

791651163 is a wasteful number, since it uses less digits than its factorization.

791651163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36986.

The product of its digits is 34020, while the sum is 39.

The square root of 791651163 is about 28136.2961848215. The cubic root of 791651163 is about 925.0771449660.

The spelling of 791651163 in words is "seven hundred ninety-one million, six hundred fifty-one thousand, one hundred sixty-three".