1616445595200 has 168 divisors, whose sum is σ = 5304609233280. Its totient is φ = 430944819200.

The previous prime is 1616445595159. The next prime is 1616445595217. The reversal of 1616445595200 is 25955446161.

It is a super-2 number, since 2×1616445595200² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 1616445595200.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20259385 + ... + 20339015.

It is an arithmetic number, because the mean of its divisors is an integer number (31575054960).

Almost surely, 2^{1616445595200} is an apocalyptic number.

1616445595200 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 1616445595200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2652304616640).

1616445595200 is an abundant number, since it is smaller than the sum of its proper divisors (3688163638080).

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

1616445595200 is a wasteful number, since it uses less digits than its factorization.

1616445595200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83885 (or 83870 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 48.

The spelling of 1616445595200 in words is "one trillion, six hundred sixteen billion, four hundred forty-five million, five hundred ninety-five thousand, two hundred".