161307 has 6 divisors (see below), whose sum is σ = 233012. Its totient is φ = 107532.

The previous prime is 161303. The next prime is 161309. The reversal of 161307 is 703161.

It is not a de Polignac number, because 161307 - 2² = 161303 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 161307.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 161307.

It is not an unprimeable number, because it can be changed into a prime (161303) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8953 + ... + 8970.

2¹⁶¹³⁰⁷ is an apocalyptic number.

161307 is a deficient number, since it is larger than the sum of its proper divisors (71705).

161307 is a wasteful number, since it uses less digits than its factorization.

161307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17929 (or 17926 counting only the distinct ones).

The product of its (nonzero) digits is 126, while the sum is 18.

The square root of 161307 is about 401.6304271342. The cubic root of 161307 is about 54.4357742993.

Adding to 161307 its reverse (703161), we get a palindrome (864468).

The spelling of 161307 in words is "one hundred sixty-one thousand, three hundred seven".