156216706441 has 2 divisors, whose sum is σ = 156216706442. Its totient is φ = 156216706440.

The previous prime is 156216706427. The next prime is 156216706447. The reversal of 156216706441 is 144607612651.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 118504620025 + 37712086416 = 344245^2 + 194196^2 .

It is a cyclic number.

It is not a de Polignac number, because 156216706441 - 2¹¹ = 156216704393 is a prime.

It is not a weakly prime, because it can be changed into another prime (156216706447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78108353220 + 78108353221.

It is an arithmetic number, because the mean of its divisors is an integer number (78108353221).

Almost surely, 2^156216706441 is an apocalyptic number.

It is an amenable number.

156216706441 is a deficient number, since it is larger than the sum of its proper divisors (1).

156216706441 is an equidigital number, since it uses as much as digits as its factorization.

156216706441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 241920, while the sum is 43.

The spelling of 156216706441 in words is "one hundred fifty-six billion, two hundred sixteen million, seven hundred six thousand, four hundred forty-one".