616854612 has 60 divisors (see below), whose sum is σ = 1583701280. Its totient is φ = 186872400.

The previous prime is 616854583. The next prime is 616854619. The reversal of 616854612 is 216458616.

It is a happy number.

It is a super-2 number, since 2×616854612² = 761019224691341088, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616854619) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 173937 + ... + 177447.

Almost surely, 2^616854612 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 616854612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (791850640).

616854612 is an abundant number, since it is smaller than the sum of its proper divisors (966846668).

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

616854612 is a wasteful number, since it uses less digits than its factorization.

616854612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3562 (or 3527 counting only the distinct ones).

The product of its digits is 69120, while the sum is 39.

The square root of 616854612 is about 24836.5579740833. The cubic root of 616854612 is about 851.2574753581.

The spelling of 616854612 in words is "six hundred sixteen million, eight hundred fifty-four thousand, six hundred twelve".