161016567 has 8 divisors (see below), whose sum is σ = 215005824. Its totient is φ = 107185848.

The previous prime is 161016521. The next prime is 161016577. The reversal of 161016567 is 765610161.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 161016567 - 2¹¹ = 161014519 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161016577) 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 7 ways as a sum of consecutive naturals, for example, 37243 + ... + 41340.

It is an arithmetic number, because the mean of its divisors is an integer number (26875728).

Almost surely, 2^161016567 is an apocalyptic number.

161016567 is a deficient number, since it is larger than the sum of its proper divisors (53989257).

161016567 is an equidigital number, since it uses as much as digits as its factorization.

161016567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79269.

The product of its (nonzero) digits is 7560, while the sum is 33.

The square root of 161016567 is about 12689.2303549112. The cubic root of 161016567 is about 544.0308416320.

The spelling of 161016567 in words is "one hundred sixty-one million, sixteen thousand, five hundred sixty-seven".