161076447 has 36 divisors (see below), whose sum is σ = 269624784. Its totient is φ = 90771840.

The previous prime is 161076439. The next prime is 161076451. The reversal of 161076447 is 744670161.

161076447 is a `hidden beast` number, since 1 + 6 + 1 + 0 + 7 + 644 + 7 = 666.

It is not a de Polignac number, because 161076447 - 2³ = 161076439 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161076407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 668247 + ... + 668487.

Almost surely, 2^161076447 is an apocalyptic number.

161076447 is a deficient number, since it is larger than the sum of its proper divisors (108548337).

161076447 is a wasteful number, since it uses less digits than its factorization.

161076447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460 (or 354 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 161076447 is about 12691.5896167501. The cubic root of 161076447 is about 544.0982726423.

The spelling of 161076447 in words is "one hundred sixty-one million, seventy-six thousand, four hundred forty-seven".