16862268897 has 6 divisors (see below), whose sum is σ = 24356610642. Its totient is φ = 11241512592.

The previous prime is 16862268883. The next prime is 16862268919. The reversal of 16862268897 is 79886226861.

It can be written as a sum of positive squares in only one way, i.e., 16007057361 + 855211536 = 126519^2 + 29244^2 .

It is not a de Polignac number, because 16862268897 - 2⁴ = 16862268881 is a prime.

It is a super-2 number, since 2×16862268897² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16862268817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 936792708 + ... + 936792725.

It is an arithmetic number, because the mean of its divisors is an integer number (4059435107).

Almost surely, 2^16862268897 is an apocalyptic number.

It is an amenable number.

16862268897 is a deficient number, since it is larger than the sum of its proper divisors (7494341745).

16862268897 is a wasteful number, since it uses less digits than its factorization.

16862268897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1873585439 (or 1873585436 counting only the distinct ones).

The product of its digits is 27869184, while the sum is 63.

The spelling of 16862268897 in words is "sixteen billion, eight hundred sixty-two million, two hundred sixty-eight thousand, eight hundred ninety-seven".