1016056161 has 12 divisors (see below), whose sum is σ = 1476122388. Its totient is φ = 673454304.

The previous prime is 1016056157. The next prime is 1016056183. The reversal of 1016056161 is 1616506101.

It can be written as a sum of positive squares in 2 ways, for example, as 774564561 + 241491600 = 27831^2 + 15540^2 .

It is not a de Polignac number, because 1016056161 - 2² = 1016056157 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1016056361) 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, 324730 + ... + 327843.

It is an arithmetic number, because the mean of its divisors is an integer number (123010199).

Almost surely, 2^1016056161 is an apocalyptic number.

It is an amenable number.

1016056161 is a deficient number, since it is larger than the sum of its proper divisors (460066227).

1016056161 is a wasteful number, since it uses less digits than its factorization.

1016056161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652752 (or 652749 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The square root of 1016056161 is about 31875.6358524814. The cubic root of 1016056161 is about 1005.3236619963.

The spelling of 1016056161 in words is "one billion, sixteen million, fifty-six thousand, one hundred sixty-one".