286606770066 has 80 divisors (see below), whose sum is σ = 660380611968. Its totient is φ = 92850494400.

The previous prime is 286606770029. The next prime is 286606770083. The reversal of 286606770066 is 660077606682.

286606770066 is a `hidden beast` number, since 28 + 6 + 606 + 7 + 7 + 0 + 0 + 6 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 286606769994 and 286606770021.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1664811 + ... + 1828881.

Almost surely, 2^286606770066 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 286606770066, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (330190305984).

286606770066 is an abundant number, since it is smaller than the sum of its proper divisors (373773841902).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

286606770066 is a wasteful number, since it uses less digits than its factorization.

286606770066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164389 (or 164380 counting only the distinct ones).

The product of its (nonzero) digits is 6096384, while the sum is 54.

The spelling of 286606770066 in words is "two hundred eighty-six billion, six hundred six million, seven hundred seventy thousand, sixty-six".