161234265 has 8 divisors (see below), whose sum is σ = 257974848. Its totient is φ = 85991600.

The previous prime is 161234261. The next prime is 161234303. The reversal of 161234265 is 562432161.

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

It is not a de Polignac number, because 161234265 - 2² = 161234261 is a prime.

It is not an unprimeable number, because it can be changed into a prime (161234261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5374461 + ... + 5374490.

It is an arithmetic number, because the mean of its divisors is an integer number (32246856).

Almost surely, 2^161234265 is an apocalyptic number.

161234265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

161234265 is a deficient number, since it is larger than the sum of its proper divisors (96740583).

161234265 is a wasteful number, since it uses less digits than its factorization.

161234265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10748959.

The product of its digits is 8640, while the sum is 30.

The square root of 161234265 is about 12697.8055190651. The cubic root of 161234265 is about 544.2759118404.

The spelling of 161234265 in words is "one hundred sixty-one million, two hundred thirty-four thousand, two hundred sixty-five".