199036557 has 12 divisors (see below), whose sum is σ = 287623804. Its totient is φ = 132632640.

The previous prime is 199036547. The next prime is 199036577. The reversal of 199036557 is 755630991.

199036557 is a `hidden beast` number, since 1 + 9 + 90 + 3 + 6 + 557 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 6687396 + 192349161 = 2586^2 + 13869^2 .

It is not a de Polignac number, because 199036557 - 2⁷ = 199036429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199036547) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29457 + ... + 35577.

Almost surely, 2^199036557 is an apocalyptic number.

It is an amenable number.

199036557 is a deficient number, since it is larger than the sum of its proper divisors (88587247).

199036557 is a wasteful number, since it uses less digits than its factorization.

199036557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9740 (or 9737 counting only the distinct ones).

The product of its (nonzero) digits is 255150, while the sum is 45.

The square root of 199036557 is about 14108.0316486745. The cubic root of 199036557 is about 583.8629942654.

The spelling of 199036557 in words is "one hundred ninety-nine million, thirty-six thousand, five hundred fifty-seven".