199854064 has 10 divisors (see below), whose sum is σ = 387217280. Its totient is φ = 99927024.

The previous prime is 199854029. The next prime is 199854073. The reversal of 199854064 is 460458991.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6245424 + ... + 6245455.

It is an arithmetic number, because the mean of its divisors is an integer number (38721728).

Almost surely, 2^199854064 is an apocalyptic number.

It is an amenable number.

199854064 is a deficient number, since it is larger than the sum of its proper divisors (187363216).

199854064 is a wasteful number, since it uses less digits than its factorization.

199854064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12490887 (or 12490881 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 46.

The square root of 199854064 is about 14136.9750654091. The cubic root of 199854064 is about 584.6612732145.

The spelling of 199854064 in words is "one hundred ninety-nine million, eight hundred fifty-four thousand, sixty-four".