355520066 has 16 divisors (see below), whose sum is σ = 589127040. Its totient is φ = 159553680.

The previous prime is 355520057. The next prime is 355520071. The reversal of 355520066 is 660025553.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100541 + ... + 104016.

It is an arithmetic number, because the mean of its divisors is an integer number (36820440).

Almost surely, 2^355520066 is an apocalyptic number.

355520066 is a deficient number, since it is larger than the sum of its proper divisors (233606974).

355520066 is a wasteful number, since it uses less digits than its factorization.

355520066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204649.

The product of its (nonzero) digits is 27000, while the sum is 32.

The square root of 355520066 is about 18855.2397492050. The cubic root of 355520066 is about 708.4154745373.

The spelling of 355520066 in words is "three hundred fifty-five million, five hundred twenty thousand, sixty-six".