1516661141 has 2 divisors, whose sum is σ = 1516661142. Its totient is φ = 1516661140.

The previous prime is 1516661131. The next prime is 1516661177. The reversal of 1516661141 is 1411666151.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1491118225 + 25542916 = 38615^2 + 5054^2 .

It is a cyclic number.

It is not a de Polignac number, because 1516661141 - 2¹⁴ = 1516644757 is a prime.

It is a super-2 number, since 2×1516661141² = 4600522033238843762, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1516661098 and 1516661107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1516661131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 758330570 + 758330571.

It is an arithmetic number, because the mean of its divisors is an integer number (758330571).

Almost surely, 2^1516661141 is an apocalyptic number.

It is an amenable number.

1516661141 is a deficient number, since it is larger than the sum of its proper divisors (1).

1516661141 is an equidigital number, since it uses as much as digits as its factorization.

1516661141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4320, while the sum is 32.

The square root of 1516661141 is about 38944.3338754176. Note that the first 3 decimals coincide. The cubic root of 1516661141 is about 1148.9369233134.

The spelling of 1516661141 in words is "one billion, five hundred sixteen million, six hundred sixty-one thousand, one hundred forty-one".