161162479 has 2 divisors, whose sum is σ = 161162480. Its totient is φ = 161162478.

The previous prime is 161162467. The next prime is 161162489. The reversal of 161162479 is 974261161.

It is a strong prime.

It is an emirp because it is prime and its reverse (974261161) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 161162479 - 2¹⁵ = 161129711 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (161162489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80581239 + 80581240.

It is an arithmetic number, because the mean of its divisors is an integer number (80581240).

Almost surely, 2^161162479 is an apocalyptic number.

161162479 is a deficient number, since it is larger than the sum of its proper divisors (1).

161162479 is an equidigital number, since it uses as much as digits as its factorization.

161162479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18144, while the sum is 37.

The square root of 161162479 is about 12694.9784954524. The cubic root of 161162479 is about 544.1951242348.

The spelling of 161162479 in words is "one hundred sixty-one million, one hundred sixty-two thousand, four hundred seventy-nine".