17950591106 has 96 divisors (see below), whose sum is σ = 32967793152. Its totient is φ = 7300177920.

The previous prime is 17950591081. The next prime is 17950591111. The reversal of 17950591106 is 60119505971.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 64803440 + ... + 64803716.

It is an arithmetic number, because the mean of its divisors is an integer number (343414512).

Almost surely, 2^17950591106 is an apocalyptic number.

17950591106 is a deficient number, since it is larger than the sum of its proper divisors (15017202046).

17950591106 is a wasteful number, since it uses less digits than its factorization.

17950591106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664 (or 657 counting only the distinct ones).

The product of its (nonzero) digits is 85050, while the sum is 44.

The spelling of 17950591106 in words is "seventeen billion, nine hundred fifty million, five hundred ninety-one thousand, one hundred six".