660085235 has 8 divisors (see below), whose sum is σ = 792855216. Its totient is φ = 527566240.

The previous prime is 660085219. The next prime is 660085253. The reversal of 660085235 is 532580066.

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

It is not a de Polignac number, because 660085235 - 2⁴ = 660085219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 660085195 and 660085204.

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, 56909 + ... + 67518.

It is an arithmetic number, because the mean of its divisors is an integer number (99106902).

Almost surely, 2^660085235 is an apocalyptic number.

660085235 is a deficient number, since it is larger than the sum of its proper divisors (132769981).

660085235 is a wasteful number, since it uses less digits than its factorization.

660085235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125493.

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 660085235 is about 25692.1239877127. The cubic root of 660085235 is about 870.6962476051.

The spelling of 660085235 in words is "six hundred sixty million, eighty-five thousand, two hundred thirty-five".