199061166824 has 16 divisors (see below), whose sum is σ = 401950433220. Its totient is φ = 91874384640.

The previous prime is 199061166803. The next prime is 199061166839. The reversal of 199061166824 is 428661160991.

It can be written as a sum of positive squares in 2 ways, for example, as 161297017924 + 37764148900 = 401618^2 + 194330^2 .

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

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, 957024737 + ... + 957024944.

Almost surely, 2^199061166824 is an apocalyptic number.

It is an amenable number.

199061166824 is an abundant number, since it is smaller than the sum of its proper divisors (202889266396).

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

199061166824 is a wasteful number, since it uses less digits than its factorization.

199061166824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1914049700 (or 1914049696 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 53.

The spelling of 199061166824 in words is "one hundred ninety-nine billion, sixty-one million, one hundred sixty-six thousand, eight hundred twenty-four".