366261262066 has 12 divisors (see below), whose sum is σ = 639088528878. Its totient is φ = 156969112272.

The previous prime is 366261262061. The next prime is 366261262069. The reversal of 366261262066 is 660262162663.

It can be written as a sum of positive squares in only one way, i.e., 326469390625 + 39791871441 = 571375^2 + 199479^2 .

It is not an unprimeable number, because it can be changed into a prime (366261262061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1868679811 + ... + 1868680006.

Almost surely, 2^366261262066 is an apocalyptic number.

366261262066 is a deficient number, since it is larger than the sum of its proper divisors (272827266812).

366261262066 is a wasteful number, since it uses less digits than its factorization.

366261262066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3737359833 (or 3737359826 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 46.

The spelling of 366261262066 in words is "three hundred sixty-six billion, two hundred sixty-one million, two hundred sixty-two thousand, sixty-six".