16865957162 has 4 divisors (see below), whose sum is σ = 25298935746. Its totient is φ = 8432978580.

The previous prime is 16865957153. The next prime is 16865957167. The reversal of 16865957162 is 26175956861.

16865957162 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 129869²+1.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 16865957161 + 1 = 129869^2 + 1^2 .

It is a junction number, because it is equal to n+sod(n) for n = 16865957098 and 16865957107.

It is not an unprimeable number, because it can be changed into a prime (16865957167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4216489289 + ... + 4216489292.

Almost surely, 2^16865957162 is an apocalyptic number.

16865957162 is a deficient number, since it is larger than the sum of its proper divisors (8432978584).

16865957162 is an equidigital number, since it uses as much as digits as its factorization.

16865957162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8432978583.

The product of its digits is 5443200, while the sum is 56.

The spelling of 16865957162 in words is "sixteen billion, eight hundred sixty-five million, nine hundred fifty-seven thousand, one hundred sixty-two".