26161323204406 has 32 divisors (see below), whose sum is σ = 43389959659200. Its totient is φ = 11753124088320.

The previous prime is 26161323204377. The next prime is 26161323204413. The reversal of 26161323204406 is 60440232316162.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 27483711 + ... + 28419658.

It is an arithmetic number, because the mean of its divisors is an integer number (1355936239350).

Almost surely, 2^{26161323204406} is an apocalyptic number.

26161323204406 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

26161323204406 is a deficient number, since it is larger than the sum of its proper divisors (17228636454794).

26161323204406 is a wasteful number, since it uses less digits than its factorization.

26161323204406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55903864.

The product of its (nonzero) digits is 248832, while the sum is 40.

The spelling of 26161323204406 in words is "twenty-six trillion, one hundred sixty-one billion, three hundred twenty-three million, two hundred four thousand, four hundred six".