165600550161115 has 16 divisors (see below), whose sum is σ = 205313593609152. Its totient is φ = 128128032054144.

The previous prime is 165600550161107. The next prime is 165600550161199. The reversal of 165600550161115 is 511161055006561.

It is a cyclic number.

It is not a de Polignac number, because 165600550161115 - 2³ = 165600550161107 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2680023324 + ... + 2680085113.

It is an arithmetic number, because the mean of its divisors is an integer number (12832099600572).

Almost surely, 2^{165600550161115} is an apocalyptic number.

165600550161115 is a deficient number, since it is larger than the sum of its proper divisors (39713043448037).

165600550161115 is a wasteful number, since it uses less digits than its factorization.

165600550161115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5360108646.

The product of its (nonzero) digits is 135000, while the sum is 43.

The spelling of 165600550161115 in words is "one hundred sixty-five trillion, six hundred billion, five hundred fifty million, one hundred sixty-one thousand, one hundred fifteen".