13651167426161 has 4 divisors (see below), whose sum is σ = 13661692614372. Its totient is φ = 13640642237952.

The previous prime is 13651167426103. The next prime is 13651167426241. The reversal of 13651167426161 is 16162476115631.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11214193537600 + 2436973888561 = 3348760^2 + 1561081^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13651167426161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13651167426101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5262592160 + ... + 5262594753.

It is an arithmetic number, because the mean of its divisors is an integer number (3415423153593).

Almost surely, 2^{13651167426161} is an apocalyptic number.

It is an amenable number.

13651167426161 is a deficient number, since it is larger than the sum of its proper divisors (10525188211).

13651167426161 is a wasteful number, since it uses less digits than its factorization.

13651167426161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10525188210.

The product of its digits is 1088640, while the sum is 50.

The spelling of 13651167426161 in words is "thirteen trillion, six hundred fifty-one billion, one hundred sixty-seven million, four hundred twenty-six thousand, one hundred sixty-one".