16312620241 has 2 divisors, whose sum is σ = 16312620242. Its totient is φ = 16312620240.

The previous prime is 16312620227. The next prime is 16312620253. The reversal of 16312620241 is 14202621361.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16312398400 + 221841 = 127720^2 + 471^2 .

It is a cyclic number.

It is not a de Polignac number, because 16312620241 - 2²⁹ = 15775749329 is a prime.

It is a super-2 number, since 2×16312620241² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (16312620281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8156310120 + 8156310121.

It is an arithmetic number, because the mean of its divisors is an integer number (8156310121).

Almost surely, 2^16312620241 is an apocalyptic number.

It is an amenable number.

16312620241 is a deficient number, since it is larger than the sum of its proper divisors (1).

16312620241 is an equidigital number, since it uses as much as digits as its factorization.

16312620241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 28.

The spelling of 16312620241 in words is "sixteen billion, three hundred twelve million, six hundred twenty thousand, two hundred forty-one".