128161852010 has 16 divisors (see below), whose sum is σ = 230917298472. Its totient is φ = 51214526400.

The previous prime is 128161851991. The next prime is 128161852019. The reversal of 128161852010 is 10258161821.

It is a Cunningham number, because it is equal to 357997²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 74607098449 + 53554753561 = 273143^2 + 231419^2 .

It is not an unprimeable number, because it can be changed into a prime (128161852019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6266081 + ... + 6286500.

Almost surely, 2^128161852010 is an apocalyptic number.

128161852010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

128161852010 is a deficient number, since it is larger than the sum of its proper divisors (102755446462).

128161852010 is a wasteful number, since it uses less digits than its factorization.

128161852010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12553609.

The product of its (nonzero) digits is 7680, while the sum is 35.

The spelling of 128161852010 in words is "one hundred twenty-eight billion, one hundred sixty-one million, eight hundred fifty-two thousand, ten".