161274 has 8 divisors (see below), whose sum is σ = 322560. Its totient is φ = 53756.

The previous prime is 161267. The next prime is 161281. The reversal of 161274 is 472161.

It is an interprime number because it is at equal distance from previous prime (161267) and next prime (161281).

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

161274 is an admirable number.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 161274.

It is an unprimeable number.

161274 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13434 + ... + 13445.

It is an arithmetic number, because the mean of its divisors is an integer number (40320).

2¹⁶¹²⁷⁴ is an apocalyptic number.

161274 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

161274 is a wasteful number, since it uses less digits than its factorization.

161274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26884.

The product of its digits is 336, while the sum is 21.

The square root of 161274 is about 401.5893424881. The cubic root of 161274 is about 54.4320619101.

It can be divided in two parts, 161 and 274, that added together give a triangular number (435 = T₂₉).

The spelling of 161274 in words is "one hundred sixty-one thousand, two hundred seventy-four".