2163035399616 has 1680 divisors, whose sum is σ = 8677400187456. Its totient is φ = 526058717184.

The previous prime is 2163035399611. The next prime is 2163035399639. The reversal of 2163035399616 is 6169935303612.

2163035399616 is a `hidden beast` number, since 2 + 1 + 6 + 3 + 0 + 3 + 539 + 96 + 16 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2163035399611) by changing a digit.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 2975289045 + ... + 2975289771.

Almost surely, 2^{2163035399616} is an apocalyptic number.

2163035399616 is a gapful number since it is divisible by the number (26) 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 2163035399616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4338700093728).

2163035399616 is an abundant number, since it is smaller than the sum of its proper divisors (6514364787840).

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

2163035399616 is a wasteful number, since it uses less digits than its factorization.

2163035399616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 848 (or 822 counting only the distinct ones).

The product of its (nonzero) digits is 4723920, while the sum is 54.

The spelling of 2163035399616 in words is "two trillion, one hundred sixty-three billion, thirty-five million, three hundred ninety-nine thousand, six hundred sixteen".