13501400066 has 32 divisors (see below), whose sum is σ = 25254927360. Its totient is φ = 5259128400.

The previous prime is 13501400053. The next prime is 13501400083. The reversal of 13501400066 is 66000410531.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1122995 + ... + 1134953.

It is an arithmetic number, because the mean of its divisors is an integer number (789216480).

Almost surely, 2^13501400066 is an apocalyptic number.

13501400066 is a deficient number, since it is larger than the sum of its proper divisors (11753527294).

13501400066 is a wasteful number, since it uses less digits than its factorization.

13501400066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19310.

The product of its (nonzero) digits is 2160, while the sum is 26.

Adding to 13501400066 its reverse (66000410531), we get a palindrome (79501810597).

The spelling of 13501400066 in words is "thirteen billion, five hundred one million, four hundred thousand, sixty-six".