16865957153 has 2 divisors, whose sum is σ = 16865957154. Its totient is φ = 16865957152.

The previous prime is 16865957113. The next prime is 16865957167. The reversal of 16865957153 is 35175956861.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9341609104 + 7524348049 = 96652^2 + 86743^2 .

It is a cyclic number.

It is not a de Polignac number, because 16865957153 - 2¹² = 16865953057 is a prime.

It is not a weakly prime, because it can be changed into another prime (16865957113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8432978576 + 8432978577.

It is an arithmetic number, because the mean of its divisors is an integer number (8432978577).

Almost surely, 2^16865957153 is an apocalyptic number.

It is an amenable number.

16865957153 is a deficient number, since it is larger than the sum of its proper divisors (1).

16865957153 is an equidigital number, since it uses as much as digits as its factorization.

16865957153 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6804000, while the sum is 56.

The spelling of 16865957153 in words is "sixteen billion, eight hundred sixty-five million, nine hundred fifty-seven thousand, one hundred fifty-three".