161347364 has 6 divisors (see below), whose sum is σ = 282357894. Its totient is φ = 80673680.

The previous prime is 161347363. The next prime is 161347393. The reversal of 161347364 is 463743161.

It can be written as a sum of positive squares in only one way, i.e., 158558464 + 2788900 = 12592^2 + 1670^2 .

It is not an unprimeable number, because it can be changed into a prime (161347363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20168417 + ... + 20168424.

It is an arithmetic number, because the mean of its divisors is an integer number (47059649).

Almost surely, 2^161347364 is an apocalyptic number.

It is an amenable number.

161347364 is a deficient number, since it is larger than the sum of its proper divisors (121010530).

161347364 is a wasteful number, since it uses less digits than its factorization.

161347364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40336845 (or 40336843 counting only the distinct ones).

The product of its digits is 36288, while the sum is 35.

The square root of 161347364 is about 12702.2582244261. The cubic root of 161347364 is about 544.4031442533.

The spelling of 161347364 in words is "one hundred sixty-one million, three hundred forty-seven thousand, three hundred sixty-four".