494111616 has 128 divisors (see below), whose sum is σ = 1367452800. Its totient is φ = 157943808.

The previous prime is 494111603. The next prime is 494111659. The reversal of 494111616 is 616111494.

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

It is a super-2 number, since 2×494111616² = 488292578132262912, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1179055 + ... + 1179473.

It is an arithmetic number, because the mean of its divisors is an integer number (10683225).

Almost surely, 2^494111616 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 494111616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (683726400).

494111616 is an abundant number, since it is smaller than the sum of its proper divisors (873341184).

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

494111616 is a wasteful number, since it uses less digits than its factorization.

494111616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556 (or 544 counting only the distinct ones).

The product of its digits is 5184, while the sum is 33.

The square root of 494111616 is about 22228.6215497048. The cubic root of 494111616 is about 790.5724718829.

The spelling of 494111616 in words is "four hundred ninety-four million, one hundred eleven thousand, six hundred sixteen".