1616838386160 has 160 divisors (see below), whose sum is σ = 5075793253440. Its totient is φ = 425700352000.

The previous prime is 1616838386029. The next prime is 1616838386203. The reversal of 1616838386160 is 616838386161.

It is a super-2 number, since 2×1616838386160² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1616838386160.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14919370 + ... + 15027350.

It is an arithmetic number, because the mean of its divisors is an integer number (31723707834).

Almost surely, 2^{1616838386160} is an apocalyptic number.

1616838386160 is a gapful number since it is divisible by the number (10) 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 1616838386160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2537896626720).

1616838386160 is an abundant number, since it is smaller than the sum of its proper divisors (3458954867280).

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

1616838386160 is a wasteful number, since it uses less digits than its factorization.

1616838386160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108787 (or 108781 counting only the distinct ones).

The product of its (nonzero) digits is 5971968, while the sum is 57.

Subtracting from 1616838386160 its reverse (616838386161), we obtain a palindrome (999999999999).

The spelling of 1616838386160 in words is "one trillion, six hundred sixteen billion, eight hundred thirty-eight million, three hundred eighty-six thousand, one hundred sixty".