616101616 has 40 divisors (see below), whose sum is σ = 1298291904. Its totient is φ = 281529600.

The previous prime is 616101601. The next prime is 616101653.

616101616 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×616101616² = 759162402475622912, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

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, 6345 + ... + 35671.

Almost surely, 2^616101616 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 616101616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (649145952).

616101616 is an abundant number, since it is smaller than the sum of its proper divisors (682190288).

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

616101616 is a wasteful number, since it uses less digits than its factorization.

616101616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29449 (or 29443 counting only the distinct ones).

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

The square root of 616101616 is about 24821.3943202230. The cubic root of 616101616 is about 850.9109569299.

The spelling of 616101616 in words is "six hundred sixteen million, one hundred one thousand, six hundred sixteen".