2169836817960 has 1152 divisors, whose sum is σ = 8477769381120. Its totient is φ = 441280659456.

The previous prime is 2169836817947. The next prime is 2169836818003. The reversal of 2169836817960 is 697186389612.

It is a junction number, because it is equal to n+sod(n) for n = 2169836817891 and 2169836817900.

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 4455516837 + ... + 4455517323.

It is an arithmetic number, because the mean of its divisors is an integer number (7359174810).

Almost surely, 2^{2169836817960} is an apocalyptic number.

2169836817960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2169836817960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4238884690560).

2169836817960 is an abundant number, since it is smaller than the sum of its proper divisors (6307932563160).

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

2169836817960 is a wasteful number, since it uses less digits than its factorization.

2169836817960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643 (or 603 counting only the distinct ones).

The product of its (nonzero) digits is 47029248, while the sum is 66.

The spelling of 2169836817960 in words is "two trillion, one hundred sixty-nine billion, eight hundred thirty-six million, eight hundred seventeen thousand, nine hundred sixty".