1616288697600 has 216 divisors, whose sum is σ = 5336102946720. Its totient is φ = 430847631360.

The previous prime is 1616288697593. The next prime is 1616288697601. The reversal of 1616288697600 is 67968826161.

It is a super-2 number, since 2×1616288697600² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1616288697601) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55991971 + ... + 56020829.

Almost surely, 2^{1616288697600} is an apocalyptic number.

1616288697600 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 1616288697600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2668051473360).

1616288697600 is an abundant number, since it is smaller than the sum of its proper divisors (3719814249120).

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

1616288697600 is a wasteful number, since it uses less digits than its factorization.

1616288697600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31805 (or 31786 counting only the distinct ones).

The product of its (nonzero) digits is 10450944, while the sum is 60.

The spelling of 1616288697600 in words is "one trillion, six hundred sixteen billion, two hundred eighty-eight million, six hundred ninety-seven thousand, six hundred".