199064957 has 16 divisors (see below), whose sum is σ = 257900160. Its totient is φ = 149211072.

The previous prime is 199064953. The next prime is 199064969. The reversal of 199064957 is 759460991.

199064957 is nontrivially palindromic in base 12.

It is a cyclic number.

It is not a de Polignac number, because 199064957 - 2² = 199064953 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199064953) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55838 + ... + 59295.

It is an arithmetic number, because the mean of its divisors is an integer number (16118760).

Almost surely, 2^199064957 is an apocalyptic number.

It is an amenable number.

199064957 is a deficient number, since it is larger than the sum of its proper divisors (58835203).

199064957 is a wasteful number, since it uses less digits than its factorization.

199064957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115172.

The product of its (nonzero) digits is 612360, while the sum is 50.

The square root of 199064957 is about 14109.0381316375. The cubic root of 199064957 is about 583.8907629003.

The spelling of 199064957 in words is "one hundred ninety-nine million, sixty-four thousand, nine hundred fifty-seven".