2015158161 has 8 divisors (see below), whose sum is σ = 2713480704. Its totient is φ = 1330137200.

The previous prime is 2015158151. The next prime is 2015158181. The reversal of 2015158161 is 1618515102.

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 2015158161 - 2⁶ = 2015158097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2015158141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3325041 + ... + 3325646.

It is an arithmetic number, because the mean of its divisors is an integer number (339185088).

Almost surely, 2^2015158161 is an apocalyptic number.

It is an amenable number.

2015158161 is a deficient number, since it is larger than the sum of its proper divisors (698322543).

2015158161 is a wasteful number, since it uses less digits than its factorization.

2015158161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6650791.

The product of its (nonzero) digits is 2400, while the sum is 30.

The square root of 2015158161 is about 44890.5130400623. The cubic root of 2015158161 is about 1263.0960564970.

The spelling of 2015158161 in words is "two billion, fifteen million, one hundred fifty-eight thousand, one hundred sixty-one".