128165326626 has 8 divisors (see below), whose sum is σ = 256330653264. Its totient is φ = 42721775540.

The previous prime is 128165326579. The next prime is 128165326649. The reversal of 128165326626 is 626623561821.

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

128165326626 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10680443880 + ... + 10680443891.

It is an arithmetic number, because the mean of its divisors is an integer number (32041331658).

Almost surely, 2^128165326626 is an apocalyptic number.

128165326626 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

128165326626 is a wasteful number, since it uses less digits than its factorization.

128165326626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21360887776.

The product of its digits is 1244160, while the sum is 48.

The spelling of 128165326626 in words is "one hundred twenty-eight billion, one hundred sixty-five million, three hundred twenty-six thousand, six hundred twenty-six".