88191521106 has 16 divisors (see below), whose sum is σ = 189950968704. Its totient is φ = 27135852624.

The previous prime is 88191521021. The next prime is 88191521123. The reversal of 88191521106 is 60112519188.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 565330186 + ... + 565330341.

It is an arithmetic number, because the mean of its divisors is an integer number (11871935544).

Almost surely, 2^88191521106 is an apocalyptic number.

88191521106 is an abundant number, since it is smaller than the sum of its proper divisors (101759447598).

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

88191521106 is a wasteful number, since it uses less digits than its factorization.

88191521106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1130660545.

The product of its (nonzero) digits is 34560, while the sum is 42.

The spelling of 88191521106 in words is "eighty-eight billion, one hundred ninety-one million, five hundred twenty-one thousand, one hundred six".