665950058 has 8 divisors (see below), whose sum is σ = 1000090560. Its totient is φ = 332586540.

The previous prime is 665950039. The next prime is 665950069. The reversal of 665950058 is 850059566.

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

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 3 ways as a sum of consecutive naturals, for example, 192098 + ... + 195533.

It is an arithmetic number, because the mean of its divisors is an integer number (125011320).

Almost surely, 2^665950058 is an apocalyptic number.

665950058 is a deficient number, since it is larger than the sum of its proper divisors (334140502).

665950058 is a wasteful number, since it uses less digits than its factorization.

665950058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388492.

The product of its (nonzero) digits is 324000, while the sum is 44.

The square root of 665950058 is about 25806.0081763918. The cubic root of 665950058 is about 873.2673448512.

The spelling of 665950058 in words is "six hundred sixty-five million, nine hundred fifty thousand, fifty-eight".