66316882 has 16 divisors (see below), whose sum is σ = 101468952. Its totient is φ = 32497920.

The previous prime is 66316871. The next prime is 66316883. The reversal of 66316882 is 28861366.

It can be written as a sum of positive squares in 4 ways, for example, as 35414401 + 30902481 = 5951^2 + 5559^2 .

It is not an unprimeable number, because it can be changed into a prime (66316883) 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, 40308 + ... + 41920.

Almost surely, 2^66316882 is an apocalyptic number.

66316882 is a deficient number, since it is larger than the sum of its proper divisors (35152070).

66316882 is a wasteful number, since it uses less digits than its factorization.

66316882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2013.

The product of its digits is 82944, while the sum is 40.

The square root of 66316882 is about 8143.5177902427. The cubic root of 66316882 is about 404.7697354891.

The spelling of 66316882 in words is "sixty-six million, three hundred sixteen thousand, eight hundred eighty-two".