1616298904704 has 128 divisors (see below), whose sum is σ = 4684327951680. Its totient is φ = 489710735360.

The previous prime is 1616298904691. The next prime is 1616298904709. The reversal of 1616298904704 is 4074098926161.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×1616298904704² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1616298904709) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30610294 + ... + 30663050.

Almost surely, 2^{1616298904704} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1616298904704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2342163975840).

1616298904704 is an abundant number, since it is smaller than the sum of its proper divisors (3068029046976).

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

1616298904704 is a wasteful number, since it uses less digits than its factorization.

1616298904704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60038 (or 60026 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 57.

The spelling of 1616298904704 in words is "one trillion, six hundred sixteen billion, two hundred ninety-eight million, nine hundred four thousand, seven hundred four".