456161791 has 4 divisors (see below), whose sum is σ = 456779800. Its totient is φ = 455543784.

The previous prime is 456161767. The next prime is 456161801. The reversal of 456161791 is 197161654.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 456161791 - 2¹⁷ = 456030719 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (456161711) 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 3 ways as a sum of consecutive naturals, for example, 307896 + ... + 309373.

It is an arithmetic number, because the mean of its divisors is an integer number (114194950).

Almost surely, 2^456161791 is an apocalyptic number.

456161791 is a deficient number, since it is larger than the sum of its proper divisors (618009).

456161791 is an equidigital number, since it uses as much as digits as its factorization.

456161791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 618008.

The product of its digits is 45360, while the sum is 40.

The square root of 456161791 is about 21357.9444469734. The cubic root of 456161791 is about 769.7912466093.

The spelling of 456161791 in words is "four hundred fifty-six million, one hundred sixty-one thousand, seven hundred ninety-one".