26161446454061 has 16 divisors (see below), whose sum is σ = 26658474019200. Its totient is φ = 25666215494400.

The previous prime is 26161446454049. The next prime is 26161446454069. The reversal of 26161446454061 is 16045464416162.

It is a de Polignac number, because none of the positive numbers 2^k-26161446454061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26161446454069) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 378946616 + ... + 379015646.

It is an arithmetic number, because the mean of its divisors is an integer number (1666154626200).

Almost surely, 2^{26161446454061} is an apocalyptic number.

It is an amenable number.

26161446454061 is a deficient number, since it is larger than the sum of its proper divisors (497027565139).

26161446454061 is a wasteful number, since it uses less digits than its factorization.

26161446454061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81940.

The product of its (nonzero) digits is 3317760, while the sum is 50.

The spelling of 26161446454061 in words is "twenty-six trillion, one hundred sixty-one billion, four hundred forty-six million, four hundred fifty-four thousand, sixty-one".