161346276 has 96 divisors (see below), whose sum is σ = 514868480. Its totient is φ = 42550272.

The previous prime is 161346239. The next prime is 161346287. The reversal of 161346276 is 672643161.

It is a happy number.

161346276 is a `hidden beast` number, since 16 + 13 + 4 + 627 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 161346276.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1620 + ... + 18036.

Almost surely, 2^161346276 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 161346276, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (257434240).

161346276 is an abundant number, since it is smaller than the sum of its proper divisors (353522204).

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

161346276 is a wasteful number, since it uses less digits than its factorization.

161346276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16450 (or 16442 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 161346276 is about 12702.2153973234. The cubic root of 161346276 is about 544.4019205747.

The spelling of 161346276 in words is "one hundred sixty-one million, three hundred forty-six thousand, two hundred seventy-six".