2016567656 has 8 divisors (see below), whose sum is σ = 3781064370. Its totient is φ = 1008283824.

The previous prime is 2016567653. The next prime is 2016567697. The reversal of 2016567656 is 6567656102.

It can be written as a sum of positive squares in only one way, i.e., 1431411556 + 585156100 = 37834^2 + 24190^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×2016567656² = 8133090222450668672, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2016567653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126035471 + ... + 126035486.

Almost surely, 2^2016567656 is an apocalyptic number.

It is an amenable number.

2016567656 is a deficient number, since it is larger than the sum of its proper divisors (1764496714).

2016567656 is a wasteful number, since it uses less digits than its factorization.

2016567656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252070963 (or 252070959 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 44.

The square root of 2016567656 is about 44906.2095483464. The cubic root of 2016567656 is about 1263.3904771683.

The spelling of 2016567656 in words is "two billion, sixteen million, five hundred sixty-seven thousand, six hundred fifty-six".