199005755 has 16 divisors (see below), whose sum is σ = 262652544. Its totient is φ = 143829120.

The previous prime is 199005749. The next prime is 199005767. The reversal of 199005755 is 557500991.

It is a de Polignac number, because none of the positive numbers 2^k-199005755 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29516 + ... + 35625.

It is an arithmetic number, because the mean of its divisors is an integer number (16415784).

Almost surely, 2^199005755 is an apocalyptic number.

199005755 is a deficient number, since it is larger than the sum of its proper divisors (63646789).

199005755 is a wasteful number, since it uses less digits than its factorization.

199005755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65206.

The product of its (nonzero) digits is 70875, while the sum is 41.

The square root of 199005755 is about 14106.9399587579. The cubic root of 199005755 is about 583.8328740436.

The spelling of 199005755 in words is "one hundred ninety-nine million, five thousand, seven hundred fifty-five".