16315852277 has 2 divisors, whose sum is σ = 16315852278. Its totient is φ = 16315852276.

The previous prime is 16315852229. The next prime is 16315852291. The reversal of 16315852277 is 77225851361.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14913050161 + 1402802116 = 122119^2 + 37454^2 .

It is a cyclic number.

It is not a de Polignac number, because 16315852277 - 2⁶ = 16315852213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16315852477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8157926138 + 8157926139.

It is an arithmetic number, because the mean of its divisors is an integer number (8157926139).

Almost surely, 2^16315852277 is an apocalyptic number.

It is an amenable number.

16315852277 is a deficient number, since it is larger than the sum of its proper divisors (1).

16315852277 is an equidigital number, since it uses as much as digits as its factorization.

16315852277 is an evil number, because the sum of its binary digits is even.

The product of its digits is 705600, while the sum is 47.

The spelling of 16315852277 in words is "sixteen billion, three hundred fifteen million, eight hundred fifty-two thousand, two hundred seventy-seven".