161606115106107 has 32 divisors (see below), whose sum is σ = 251527504164864. Its totient is φ = 90370374192000.

The previous prime is 161606115106081. The next prime is 161606115106133. The reversal of 161606115106107 is 701601511606161.

It is an interprime number because it is at equal distance from previous prime (161606115106081) and next prime (161606115106133).

It is not a de Polignac number, because 161606115106107 - 2³⁹ = 161056359292219 is a prime.

It is a super-2 number, since 2×161606115106107² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (161606115106507) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2110144 + ... + 18101517.

It is an arithmetic number, because the mean of its divisors is an integer number (7860234505152).

Almost surely, 2^{161606115106107} is an apocalyptic number.

161606115106107 is a deficient number, since it is larger than the sum of its proper divisors (89921389058757).

161606115106107 is a wasteful number, since it uses less digits than its factorization.

161606115106107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20219819.

The product of its (nonzero) digits is 45360, while the sum is 42.

The spelling of 161606115106107 in words is "one hundred sixty-one trillion, six hundred six billion, one hundred fifteen million, one hundred six thousand, one hundred seven".