616765016 has 64 divisors (see below), whose sum is σ = 1357171200. Its totient is φ = 257317632.

The previous prime is 616765007. The next prime is 616765063. The reversal of 616765016 is 610567616.

It is a super-2 number, since 2×616765016² = 760798169922960512, 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 15 ways as a sum of consecutive naturals, for example, 333005 + ... + 334851.

It is an arithmetic number, because the mean of its divisors is an integer number (21205800).

Almost surely, 2^616765016 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 616765016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (678585600).

616765016 is an abundant number, since it is smaller than the sum of its proper divisors (740406184).

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

616765016 is a wasteful number, since it uses less digits than its factorization.

616765016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2016 (or 2012 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 616765016 is about 24834.7541964884. The cubic root of 616765016 is about 851.2162592940.

The spelling of 616765016 in words is "six hundred sixteen million, seven hundred sixty-five thousand, sixteen".