199974937160 has 16 divisors (see below), whose sum is σ = 449943608700. Its totient is φ = 79989974848.

The previous prime is 199974937139. The next prime is 199974937187. The reversal of 199974937160 is 61739479991.

It can be written as a sum of positive squares in 2 ways, for example, as 181273280644 + 18701656516 = 425762^2 + 136754^2 .

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, 2499686675 + ... + 2499686754.

Almost surely, 2^199974937160 is an apocalyptic number.

199974937160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

199974937160 is an abundant number, since it is smaller than the sum of its proper divisors (249968671540).

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

199974937160 is a wasteful number, since it uses less digits than its factorization.

199974937160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4999373440 (or 4999373436 counting only the distinct ones).

The product of its (nonzero) digits is 23147208, while the sum is 65.

The spelling of 199974937160 in words is "one hundred ninety-nine billion, nine hundred seventy-four million, nine hundred thirty-seven thousand, one hundred sixty".