166150115161 has 8 divisors (see below), whose sum is σ = 170697672000. Its totient is φ = 161605559088.

The previous prime is 166150115143. The next prime is 166150115171. The reversal of 166150115161 is 161511051661.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 166150115161 - 2¹⁷ = 166149984089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (166150115171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 637711 + ... + 859636.

It is an arithmetic number, because the mean of its divisors is an integer number (21337209000).

Almost surely, 2^166150115161 is an apocalyptic number.

It is an amenable number.

166150115161 is a deficient number, since it is larger than the sum of its proper divisors (4547556839).

166150115161 is a wasteful number, since it uses less digits than its factorization.

166150115161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1500383.

The product of its (nonzero) digits is 5400, while the sum is 34.

The spelling of 166150115161 in words is "one hundred sixty-six billion, one hundred fifty million, one hundred fifteen thousand, one hundred sixty-one".