128150541698 has 16 divisors (see below), whose sum is σ = 199266174144. Its totient is φ = 61760853360.

The previous prime is 128150541689. The next prime is 128150541719. The reversal of 128150541698 is 896145051821.

It is a super-2 number, since 2×128150541698² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 8084438 + ... + 8100273.

It is an arithmetic number, because the mean of its divisors is an integer number (12454135884).

Almost surely, 2^128150541698 is an apocalyptic number.

128150541698 is a deficient number, since it is larger than the sum of its proper divisors (71115632446).

128150541698 is a wasteful number, since it uses less digits than its factorization.

128150541698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16184857.

The product of its (nonzero) digits is 691200, while the sum is 50.

The spelling of 128150541698 in words is "one hundred twenty-eight billion, one hundred fifty million, five hundred forty-one thousand, six hundred ninety-eight".