16041801841805 has 16 divisors (see below), whose sum is σ = 20266263209280. Its totient is φ = 12156236445312.

The previous prime is 16041801841787. The next prime is 16041801841823. The reversal of 16041801841805 is 50814810814061.

It is an interprime number because it is at equal distance from previous prime (16041801841787) and next prime (16041801841823).

It is a cyclic number.

It is not a de Polignac number, because 16041801841805 - 2³⁶ = 15973082365069 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 16041801841805.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11567744 + ... + 12880073.

It is an arithmetic number, because the mean of its divisors is an integer number (1266641450580).

Almost surely, 2^{16041801841805} is an apocalyptic number.

It is an amenable number.

16041801841805 is a deficient number, since it is larger than the sum of its proper divisors (4224461367475).

16041801841805 is a wasteful number, since it uses less digits than its factorization.

16041801841805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24454748.

The product of its (nonzero) digits is 245760, while the sum is 47.

The spelling of 16041801841805 in words is "sixteen trillion, forty-one billion, eight hundred one million, eight hundred forty-one thousand, eight hundred five".