1091908026160 has 80 divisors (see below), whose sum is σ = 2901508934400. Its totient is φ = 374348683008.

The previous prime is 1091908026149. The next prime is 1091908026193. The reversal of 1091908026160 is 616208091901.

It is a tau number, because it is divible by the number of its divisors (80).

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, 13949211 + ... + 14027269.

It is an arithmetic number, because the mean of its divisors is an integer number (36268861680).

Almost surely, 2^{1091908026160} is an apocalyptic number.

1091908026160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1091908026160 is an abundant number, since it is smaller than the sum of its proper divisors (1809600908240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1091908026160 is a wasteful number, since it uses less digits than its factorization.

1091908026160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103058 (or 103052 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 43.

The spelling of 1091908026160 in words is "one trillion, ninety-one billion, nine hundred eight million, twenty-six thousand, one hundred sixty".