791161019170 has 16 divisors (see below), whose sum is σ = 1425609691128. Its totient is φ = 316126661760.

The previous prime is 791161019123. The next prime is 791161019227. The reversal of 791161019170 is 71910161197.

It is a happy number.

791161019170 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 396928980529 + 394232038641 = 630023^2 + 627879^2 .

It is a super-2 number, since 2×791161019170² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42208401 + ... + 42227140.

Almost surely, 2^791161019170 is an apocalyptic number.

791161019170 is a deficient number, since it is larger than the sum of its proper divisors (634448671958).

791161019170 is a wasteful number, since it uses less digits than its factorization.

791161019170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84436485.

The product of its (nonzero) digits is 23814, while the sum is 43.

The spelling of 791161019170 in words is "seven hundred ninety-one billion, one hundred sixty-one million, nineteen thousand, one hundred seventy".