161244479 has 18 divisors (see below), whose sum is σ = 181053432. Its totient is φ = 143466400.

The previous prime is 161244449. The next prime is 161244487. The reversal of 161244479 is 974442161.

It is not a de Polignac number, because 161244479 - 2¹² = 161240383 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 (161244449) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1176899 + ... + 1177035.

It is an arithmetic number, because the mean of its divisors is an integer number (10058524).

Almost surely, 2^161244479 is an apocalyptic number.

161244479 is a deficient number, since it is larger than the sum of its proper divisors (19808953).

161244479 is an equidigital number, since it uses as much as digits as its factorization.

161244479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367 (or 219 counting only the distinct ones).

The product of its digits is 48384, while the sum is 38.

The square root of 161244479 is about 12698.2077081768. The cubic root of 161244479 is about 544.2874046761.

The spelling of 161244479 in words is "one hundred sixty-one million, two hundred forty-four thousand, four hundred seventy-nine".