13161231364 has 24 divisors (see below), whose sum is σ = 23576037408. Its totient is φ = 6425328000.

The previous prime is 13161231341. The next prime is 13161231371. The reversal of 13161231364 is 46313216131.

It is a super-2 number, since 2×13161231364² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 547404 + ... + 570940.

It is an arithmetic number, because the mean of its divisors is an integer number (982334892).

Almost surely, 2^13161231364 is an apocalyptic number.

It is an amenable number.

13161231364 is a deficient number, since it is larger than the sum of its proper divisors (10414806044).

13161231364 is a wasteful number, since it uses less digits than its factorization.

13161231364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26835 (or 26833 counting only the distinct ones).

The product of its digits is 7776, while the sum is 31.

Adding to 13161231364 its reverse (46313216131), we get a palindrome (59474447495).

The spelling of 13161231364 in words is "thirteen billion, one hundred sixty-one million, two hundred thirty-one thousand, three hundred sixty-four".