16086865397 has 2 divisors, whose sum is σ = 16086865398. Its totient is φ = 16086865396.

The previous prime is 16086865373. The next prime is 16086865409. The reversal of 16086865397 is 79356868061.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10664899441 + 5421965956 = 103271^2 + 73634^2 .

It is an emirp because it is prime and its reverse (79356868061) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16086865397 - 2⁸ = 16086865141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16086865307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8043432698 + 8043432699.

It is an arithmetic number, because the mean of its divisors is an integer number (8043432699).

Almost surely, 2^16086865397 is an apocalyptic number.

It is an amenable number.

16086865397 is a deficient number, since it is larger than the sum of its proper divisors (1).

16086865397 is an equidigital number, since it uses as much as digits as its factorization.

16086865397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13063680, while the sum is 59.

The spelling of 16086865397 in words is "sixteen billion, eighty-six million, eight hundred sixty-five thousand, three hundred ninety-seven".