805365066 has 32 divisors (see below), whose sum is σ = 1785974976. Its totient is φ = 240048000.

The previous prime is 805365047. The next prime is 805365083. The reversal of 805365066 is 660563508.

It is a super-2 number, since 2×805365066² = 1297225779066368712, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95995 + ... + 104046.

It is an arithmetic number, because the mean of its divisors is an integer number (55811718).

Almost surely, 2^805365066 is an apocalyptic number.

805365066 is an abundant number, since it is smaller than the sum of its proper divisors (980609910).

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

805365066 is a wasteful number, since it uses less digits than its factorization.

805365066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200118.

The product of its (nonzero) digits is 129600, while the sum is 39.

The square root of 805365066 is about 28378.9546319099. The cubic root of 805365066 is about 930.3883474664.

The spelling of 805365066 in words is "eight hundred five million, three hundred sixty-five thousand, sixty-six".