616611016 has 32 divisors (see below), whose sum is σ = 1322496000. Its totient is φ = 264024576.

The previous prime is 616611007. The next prime is 616611043. The reversal of 616611016 is 610116616.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67320 + ... + 75928.

It is an arithmetic number, because the mean of its divisors is an integer number (41328000).

Almost surely, 2^616611016 is an apocalyptic number.

It is an amenable number.

616611016 is an abundant number, since it is smaller than the sum of its proper divisors (705884984).

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

616611016 is a wasteful number, since it uses less digits than its factorization.

616611016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9901 (or 9897 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 616611016 is about 24831.6535091806. The cubic root of 616611016 is about 851.1454066935.

The spelling of 616611016 in words is "six hundred sixteen million, six hundred eleven thousand, sixteen".