13126446164 has 24 divisors (see below), whose sum is σ = 26193498408. Its totient is φ = 5701985280.

The previous prime is 13126446121. The next prime is 13126446167. The reversal of 13126446164 is 46164462131.

It can be written as a sum of positive squares in 4 ways, for example, as 14364100 + 13112082064 = 3790^2 + 114508^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13126446167) 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, 7423577 + ... + 7425344.

It is an arithmetic number, because the mean of its divisors is an integer number (1091395767).

Almost surely, 2^13126446164 is an apocalyptic number.

It is an amenable number.

13126446164 is a deficient number, since it is larger than the sum of its proper divisors (13067052244).

13126446164 is a wasteful number, since it uses less digits than its factorization.

13126446164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14848955 (or 14848953 counting only the distinct ones).

The product of its digits is 82944, while the sum is 38.

The spelling of 13126446164 in words is "thirteen billion, one hundred twenty-six million, four hundred forty-six thousand, one hundred sixty-four".