1616308273152 has 136 divisors (see below), whose sum is σ = 4789030255280. Its totient is φ = 538768834560.

The previous prime is 1616308273141. The next prime is 1616308273187. The reversal of 1616308273152 is 2513728036161.

It is a happy number.

1616308273152 is a `hidden beast` number, since 1 + 6 + 1 + 6 + 308 + 27 + 315 + 2 = 666.

It is a super-2 number, since 2×1616308273152² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1616308273098 and 1616308273107.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1312752 + ... + 2226192.

Almost surely, 2^{1616308273152} is an apocalyptic number.

1616308273152 is a gapful number since it is divisible by the number (12) 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 1616308273152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2394515127640).

1616308273152 is an abundant number, since it is smaller than the sum of its proper divisors (3172721982128).

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

1616308273152 is an frugal number, since it uses more digits than its factorization.

1616308273152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 913482 (or 913446 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The spelling of 1616308273152 in words is "one trillion, six hundred sixteen billion, three hundred eight million, two hundred seventy-three thousand, one hundred fifty-two".