199750641 has 8 divisors (see below), whose sum is σ = 266404320. Its totient is φ = 133132032.

The previous prime is 199750633. The next prime is 199750669. The reversal of 199750641 is 146057991.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 199750641 - 2³ = 199750633 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 199750593 and 199750602.

It is not an unprimeable number, because it can be changed into a prime (199750541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10705 + ... + 22673.

It is an arithmetic number, because the mean of its divisors is an integer number (33300540).

Almost surely, 2^199750641 is an apocalyptic number.

It is an amenable number.

199750641 is a deficient number, since it is larger than the sum of its proper divisors (66653679).

199750641 is a wasteful number, since it uses less digits than its factorization.

199750641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17535.

The product of its (nonzero) digits is 68040, while the sum is 42.

The square root of 199750641 is about 14133.3167020342. The cubic root of 199750641 is about 584.5604031844.

The spelling of 199750641 in words is "one hundred ninety-nine million, seven hundred fifty thousand, six hundred forty-one".