128162814837 has 8 divisors (see below), whose sum is σ = 170888375136. Its totient is φ = 85439565552.

The previous prime is 128162814737. The next prime is 128162814883. The reversal of 128162814837 is 738418261821.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 128162814837 - 2²⁸ = 127894379381 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 128162814837.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128162814337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 443923 + ... + 673344.

It is an arithmetic number, because the mean of its divisors is an integer number (21361046892).

Almost surely, 2^128162814837 is an apocalyptic number.

It is an amenable number.

128162814837 is a deficient number, since it is larger than the sum of its proper divisors (42725560299).

128162814837 is a wasteful number, since it uses less digits than its factorization.

128162814837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1155507.

The product of its digits is 1032192, while the sum is 51.

The spelling of 128162814837 in words is "one hundred twenty-eight billion, one hundred sixty-two million, eight hundred fourteen thousand, eight hundred thirty-seven".