199061166826 has 16 divisors (see below), whose sum is σ = 303404184000. Its totient is φ = 97932058560.

The previous prime is 199061166803. The next prime is 199061166839. The reversal of 199061166826 is 628661160991.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1333791 + ... + 1475506.

It is an arithmetic number, because the mean of its divisors is an integer number (18962761500).

Almost surely, 2^199061166826 is an apocalyptic number.

199061166826 is a deficient number, since it is larger than the sum of its proper divisors (104343017174).

199061166826 is a wasteful number, since it uses less digits than its factorization.

199061166826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2809869.

The product of its (nonzero) digits is 1679616, while the sum is 55.

The spelling of 199061166826 in words is "one hundred ninety-nine billion, sixty-one million, one hundred sixty-six thousand, eight hundred twenty-six".