1346800566 has 16 divisors (see below), whose sum is σ = 2696439024. Its totient is φ = 448460544.

The previous prime is 1346800561. The next prime is 1346800591. The reversal of 1346800566 is 6650086431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1346800561) 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, 112051 + ... + 123486.

It is an arithmetic number, because the mean of its divisors is an integer number (168527439).

Almost surely, 2^1346800566 is an apocalyptic number.

1346800566 is an abundant number, since it is smaller than the sum of its proper divisors (1349638458).

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

1346800566 is a wasteful number, since it uses less digits than its factorization.

1346800566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236495.

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 1346800566 is about 36698.7815329065. The cubic root of 1346800566 is about 1104.3356614954.

Adding to 1346800566 its reverse (6650086431), we get a palindrome (7996886997).

The spelling of 1346800566 in words is "one billion, three hundred forty-six million, eight hundred thousand, five hundred sixty-six".