161346065 has 16 divisors (see below), whose sum is σ = 209371392. Its totient is φ = 118896384.

The previous prime is 161346047. The next prime is 161346071. The reversal of 161346065 is 560643161.

161346065 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 161346065 - 2⁸ = 161345809 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16199 + ... + 24188.

It is an arithmetic number, because the mean of its divisors is an integer number (13085712).

Almost surely, 2^161346065 is an apocalyptic number.

It is an amenable number.

161346065 is a deficient number, since it is larger than the sum of its proper divisors (48025327).

161346065 is a wasteful number, since it uses less digits than its factorization.

161346065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40456.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 161346065 is about 12702.2070916829. The cubic root of 161346065 is about 544.4016832614.

The spelling of 161346065 in words is "one hundred sixty-one million, three hundred forty-six thousand, sixty-five".