161614449 has 12 divisors (see below), whose sum is σ = 233763712. Its totient is φ = 107595000.

The previous prime is 161614447. The next prime is 161614451. The reversal of 161614449 is 944416161.

It is an interprime number because it is at equal distance from previous prime (161614447) and next prime (161614451).

It is not a de Polignac number, because 161614449 - 2¹ = 161614447 is a prime.

It is a super-2 number, since 2×161614449² = 52238460251147202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (161614447) 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 in 11 ways as a sum of consecutive naturals, for example, 5197 + ... + 18714.

Almost surely, 2^161614449 is an apocalyptic number.

It is an amenable number.

161614449 is a deficient number, since it is larger than the sum of its proper divisors (72149263).

161614449 is a wasteful number, since it uses less digits than its factorization.

161614449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24668 (or 24665 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 161614449 is about 12712.7671653342. The cubic root of 161614449 is about 544.7033697087.

The spelling of 161614449 in words is "one hundred sixty-one million, six hundred fourteen thousand, four hundred forty-nine".