660284367 has 8 divisors (see below), whose sum is σ = 880516224. Its totient is φ = 440121048.

The previous prime is 660284363. The next prime is 660284413. The reversal of 660284367 is 763482066.

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

It is not a de Polignac number, because 660284367 - 2² = 660284363 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (660284363) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12838 + ... + 38540.

It is an arithmetic number, because the mean of its divisors is an integer number (110064528).

Almost surely, 2^660284367 is an apocalyptic number.

660284367 is a deficient number, since it is larger than the sum of its proper divisors (220231857).

660284367 is a wasteful number, since it uses less digits than its factorization.

660284367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34269.

The product of its (nonzero) digits is 290304, while the sum is 42.

The square root of 660284367 is about 25695.9990465442. Note that the first 3 decimals coincide. The cubic root of 660284367 is about 870.7837949115.

The spelling of 660284367 in words is "six hundred sixty million, two hundred eighty-four thousand, three hundred sixty-seven".