128162829619 has 6 divisors (see below), whose sum is σ = 140873193020. Its totient is φ = 116511663180.

The previous prime is 128162829581. The next prime is 128162829647. The reversal of 128162829619 is 916928261821.

It is a de Polignac number, because none of the positive numbers 2^k-128162829619 is a prime.

It is a super-2 number, since 2×128162829619² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 128162829619.

It is not an unprimeable number, because it can be changed into a prime (128162824619) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 529598349 + ... + 529598590.

Almost surely, 2^128162829619 is an apocalyptic number.

128162829619 is a deficient number, since it is larger than the sum of its proper divisors (12710363401).

128162829619 is a wasteful number, since it uses less digits than its factorization.

128162829619 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1059196961 (or 1059196950 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 55.

The spelling of 128162829619 in words is "one hundred twenty-eight billion, one hundred sixty-two million, eight hundred twenty-nine thousand, six hundred nineteen".