205750066 has 8 divisors (see below), whose sum is σ = 308921904. Its totient is φ = 102776100.

The previous prime is 205750003. The next prime is 205750073. The reversal of 205750066 is 660057502.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46840 + ... + 51043.

It is an arithmetic number, because the mean of its divisors is an integer number (38615238).

Almost surely, 2^205750066 is an apocalyptic number.

205750066 is a deficient number, since it is larger than the sum of its proper divisors (103171838).

205750066 is a wasteful number, since it uses less digits than its factorization.

205750066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98936.

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 205750066 is about 14343.9905883962. The cubic root of 205750066 is about 590.3551113196.

The spelling of 205750066 in words is "two hundred five million, seven hundred fifty thousand, sixty-six".