161614249 has 2 divisors, whose sum is σ = 161614250. Its totient is φ = 161614248.

The previous prime is 161614237. The next prime is 161614273. The reversal of 161614249 is 942416161.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 160275600 + 1338649 = 12660^2 + 1157^2 .

It is a cyclic number.

It is not a de Polignac number, because 161614249 - 2¹³ = 161606057 is a prime.

It is a super-2 number, since 2×161614249² = 52238330959668002, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (161614279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80807124 + 80807125.

It is an arithmetic number, because the mean of its divisors is an integer number (80807125).

Almost surely, 2^161614249 is an apocalyptic number.

It is an amenable number.

161614249 is a deficient number, since it is larger than the sum of its proper divisors (1).

161614249 is an equidigital number, since it uses as much as digits as its factorization.

161614249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 34.

The square root of 161614249 is about 12712.7592992238. The cubic root of 161614249 is about 544.7031450161.

The spelling of 161614249 in words is "one hundred sixty-one million, six hundred fourteen thousand, two hundred forty-nine".