2169393822816 has 48 divisors (see below), whose sum is σ = 6212355041088. Its totient is φ = 657392067200.

The previous prime is 2169393822809. The next prime is 2169393822887. The reversal of 2169393822816 is 6182283939612.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 2169393822816.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1027174050 + ... + 1027176161.

It is an arithmetic number, because the mean of its divisors is an integer number (129424063356).

Almost surely, 2^{2169393822816} is an apocalyptic number.

It is an amenable number.

2169393822816 is an abundant number, since it is smaller than the sum of its proper divisors (4042961218272).

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

2169393822816 is a wasteful number, since it uses less digits than its factorization.

2169393822816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2054350235 (or 2054350227 counting only the distinct ones).

The product of its digits is 13436928, while the sum is 60.

The spelling of 2169393822816 in words is "two trillion, one hundred sixty-nine billion, three hundred ninety-three million, eight hundred twenty-two thousand, eight hundred sixteen".