616026664 has 128 divisors (see below), whose sum is σ = 1407974400. Its totient is φ = 249384960.

The previous prime is 616026659. The next prime is 616026667. The reversal of 616026664 is 466620616.

It is not an unprimeable number, because it can be changed into a prime (616026667) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3191752 + ... + 3191944.

It is an arithmetic number, because the mean of its divisors is an integer number (10999800).

Almost surely, 2^616026664 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 616026664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (703987200).

616026664 is an abundant number, since it is smaller than the sum of its proper divisors (791947736).

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

616026664 is a wasteful number, since it uses less digits than its factorization.

616026664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335 (or 331 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 37.

The square root of 616026664 is about 24819.8844477568. The cubic root of 616026664 is about 850.8764496004.

The spelling of 616026664 in words is "six hundred sixteen million, twenty-six thousand, six hundred sixty-four".