4516156081 has 2 divisors, whose sum is σ = 4516156082. Its totient is φ = 4516156080.

The previous prime is 4516156067. The next prime is 4516156123. The reversal of 4516156081 is 1806516154.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3149005456 + 1367150625 = 56116^2 + 36975^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4516156081 is a prime.

It is a super-2 number, since 2×4516156081² = 40791331495906557122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4516156081.

It is not a weakly prime, because it can be changed into another prime (4516156481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2258078040 + 2258078041.

It is an arithmetic number, because the mean of its divisors is an integer number (2258078041).

Almost surely, 2^4516156081 is an apocalyptic number.

It is an amenable number.

4516156081 is a deficient number, since it is larger than the sum of its proper divisors (1).

4516156081 is an equidigital number, since it uses as much as digits as its factorization.

4516156081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28800, while the sum is 37.

The square root of 4516156081 is about 67202.3517520034. The cubic root of 4516156081 is about 1652.9370499742.

The spelling of 4516156081 in words is "four billion, five hundred sixteen million, one hundred fifty-six thousand, eighty-one".