169791041 has 4 divisors (see below), whose sum is σ = 194046912. Its totient is φ = 145535172.

The previous prime is 169790989. The next prime is 169791059. The reversal of 169791041 is 140197961.

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 a de Polignac number, because none of the positive numbers 2^k-169791041 is a prime.

It is a super-4 number, since 4×169791041⁴ (a number of 34 digits) contains 4444 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 169790986 and 169791004.

It is not an unprimeable number, because it can be changed into a prime (169791091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12127925 + ... + 12127938.

It is an arithmetic number, because the mean of its divisors is an integer number (48511728).

Almost surely, 2^169791041 is an apocalyptic number.

It is an amenable number.

169791041 is a deficient number, since it is larger than the sum of its proper divisors (24255871).

169791041 is an equidigital number, since it uses as much as digits as its factorization.

169791041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24255870.

The product of its (nonzero) digits is 13608, while the sum is 38.

The square root of 169791041 is about 13030.3891346345. The cubic root of 169791041 is about 553.7387597825.

The spelling of 169791041 in words is "one hundred sixty-nine million, seven hundred ninety-one thousand, forty-one".