161352427 has 8 divisors (see below), whose sum is σ = 175324160. Its totient is φ = 147928680.

The previous prime is 161352421. The next prime is 161352431. The reversal of 161352427 is 724253161.

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

It is not a de Polignac number, because 161352427 - 2¹¹ = 161350379 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (161352421) 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, 136383 + ... + 137560.

It is an arithmetic number, because the mean of its divisors is an integer number (21915520).

Almost surely, 2^161352427 is an apocalyptic number.

161352427 is a deficient number, since it is larger than the sum of its proper divisors (13971733).

161352427 is a wasteful number, since it uses less digits than its factorization.

161352427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273993.

The product of its digits is 10080, while the sum is 31.

The square root of 161352427 is about 12702.4575181340. The cubic root of 161352427 is about 544.4088385603.

The spelling of 161352427 in words is "one hundred sixty-one million, three hundred fifty-two thousand, four hundred twenty-seven".