161600607 has 12 divisors (see below), whose sum is σ = 266769360. Its totient is φ = 92343168.

The previous prime is 161600597. The next prime is 161600609. The reversal of 161600607 is 706006161.

It is not a de Polignac number, because 161600607 - 2⁴ = 161600591 is a prime.

It is a super-2 number, since 2×161600607² = 52229512365536898, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161600609) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1282482 + ... + 1282607.

It is an arithmetic number, because the mean of its divisors is an integer number (22230780).

Almost surely, 2^161600607 is an apocalyptic number.

161600607 is a deficient number, since it is larger than the sum of its proper divisors (105168753).

161600607 is a wasteful number, since it uses less digits than its factorization.

161600607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2565102 (or 2565099 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 161600607 is about 12712.2227403393. Note that the first 3 decimals coincide. The cubic root of 161600607 is about 544.6878182954.

Adding to 161600607 its reverse (706006161), we get a palindrome (867606768).

The spelling of 161600607 in words is "one hundred sixty-one million, six hundred thousand, six hundred seven".