616054648 has 64 divisors (see below), whose sum is σ = 1281024000. Its totient is φ = 275425920.

The previous prime is 616054603. The next prime is 616054667. The reversal of 616054648 is 846450616.

It is a happy number.

It is a super-3 number, since 3×616054648³ (a number of 27 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 616054648.

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, 2223886 + ... + 2224162.

It is an arithmetic number, because the mean of its divisors is an integer number (20016000).

Almost surely, 2^616054648 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 616054648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (640512000).

616054648 is an abundant number, since it is smaller than the sum of its proper divisors (664969352).

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

616054648 is a wasteful number, since it uses less digits than its factorization.

616054648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 620 (or 616 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 616054648 is about 24820.4481828995. The cubic root of 616054648 is about 850.8893335481.

The spelling of 616054648 in words is "six hundred sixteen million, fifty-four thousand, six hundred forty-eight".