791168020 has 12 divisors (see below), whose sum is σ = 1661452884. Its totient is φ = 316467200.

The previous prime is 791168017. The next prime is 791168057. The reversal of 791168020 is 20861197.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 443270916 + 347897104 = 21054^2 + 18652^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19779181 + ... + 19779220.

It is an arithmetic number, because the mean of its divisors is an integer number (138454407).

Almost surely, 2^791168020 is an apocalyptic number.

It is an amenable number.

791168020 is an abundant number, since it is smaller than the sum of its proper divisors (870284864).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

791168020 is a wasteful number, since it uses less digits than its factorization.

791168020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39558410 (or 39558408 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 34.

The square root of 791168020 is about 28127.7091139680. The cubic root of 791168020 is about 924.8889158057. Note that the first 3 decimals are identical.

The spelling of 791168020 in words is "seven hundred ninety-one million, one hundred sixty-eight thousand, twenty".