652641616 has 80 divisors (see below), whose sum is σ = 1429908480. Its totient is φ = 285989760.

The previous prime is 652641569. The next prime is 652641617. The reversal of 652641616 is 616146256.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (652641617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 627625 + ... + 628663.

It is an arithmetic number, because the mean of its divisors is an integer number (17873856).

Almost surely, 2^652641616 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 652641616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (714954240).

652641616 is an abundant number, since it is smaller than the sum of its proper divisors (777266864).

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

652641616 is a wasteful number, since it uses less digits than its factorization.

652641616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1184 (or 1178 counting only the distinct ones).

The product of its digits is 51840, while the sum is 37.

The square root of 652641616 is about 25546.8513911206. The cubic root of 652641616 is about 867.4109915958.

The spelling of 652641616 in words is "six hundred fifty-two million, six hundred forty-one thousand, six hundred sixteen".