1616453225970 has 96 divisors (see below), whose sum is σ = 4267689418944. Its totient is φ = 391549572480.

The previous prime is 1616453225929. The next prime is 1616453226007. The reversal of 1616453225970 is 795223546161.

It is a super-2 number, since 2×1616453225970² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4310317 + ... + 4670303.

It is an arithmetic number, because the mean of its divisors is an integer number (44455098114).

Almost surely, 2^{1616453225970} is an apocalyptic number.

1616453225970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1616453225970, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2133844709472).

1616453225970 is an abundant number, since it is smaller than the sum of its proper divisors (2651236192974).

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

1616453225970 is a wasteful number, since it uses less digits than its factorization.

1616453225970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361256 (or 361245 counting only the distinct ones).

The product of its (nonzero) digits is 2721600, while the sum is 51.

The spelling of 1616453225970 in words is "one trillion, six hundred sixteen billion, four hundred fifty-three million, two hundred twenty-five thousand, nine hundred seventy".