161347000 has 64 divisors (see below), whose sum is σ = 399803040. Its totient is φ = 60736000.

The previous prime is 161346989. The next prime is 161347037. The reversal of 161347000 is 743161.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12255 + ... + 21745.

Almost surely, 2^161347000 is an apocalyptic number.

161347000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 161347000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (199901520).

161347000 is an abundant number, since it is smaller than the sum of its proper divisors (238456040).

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

161347000 is a wasteful number, since it uses less digits than its factorization.

161347000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9529 (or 9515 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 161347000 is about 12702.2438962571. The cubic root of 161347000 is about 544.4027348614.

The spelling of 161347000 in words is "one hundred sixty-one million, three hundred forty-seven thousand".