1316605446066 has 16 divisors (see below), whose sum is σ = 2669282275104. Its totient is φ = 432856584864.

The previous prime is 1316605446061. The next prime is 1316605446103. The reversal of 1316605446066 is 6606445066131.

It is a super-2 number, since 2×1316605446066² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1316605446061) 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, 1502973816 + ... + 1502974691.

It is an arithmetic number, because the mean of its divisors is an integer number (166830142194).

Almost surely, 2^{1316605446066} is an apocalyptic number.

1316605446066 is an abundant number, since it is smaller than the sum of its proper divisors (1352676829038).

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

1316605446066 is a wasteful number, since it uses less digits than its factorization.

1316605446066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3005948585.

The product of its (nonzero) digits is 1866240, while the sum is 48.

It can be divided in two parts, 1316605 and 446066, that added together give a palindrome (1762671).

The spelling of 1316605446066 in words is "one trillion, three hundred sixteen billion, six hundred five million, four hundred forty-six thousand, sixty-six".