16355013457 has 2 divisors, whose sum is σ = 16355013458. Its totient is φ = 16355013456.

The previous prime is 16355013419. The next prime is 16355013497. The reversal of 16355013457 is 75431055361.

It is an a-pointer prime, because the next prime (16355013497) can be obtained adding 16355013457 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10820992576 + 5534020881 = 104024^2 + 74391^2 .

It is a cyclic number.

It is not a de Polignac number, because 16355013457 - 2¹⁹ = 16354489169 is a prime.

It is not a weakly prime, because it can be changed into another prime (16355013497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8177506728 + 8177506729.

It is an arithmetic number, because the mean of its divisors is an integer number (8177506729).

Almost surely, 2^16355013457 is an apocalyptic number.

It is an amenable number.

16355013457 is a deficient number, since it is larger than the sum of its proper divisors (1).

16355013457 is an equidigital number, since it uses as much as digits as its factorization.

16355013457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 189000, while the sum is 40.

The spelling of 16355013457 in words is "sixteen billion, three hundred fifty-five million, thirteen thousand, four hundred fifty-seven".