616650001060 has 24 divisors (see below), whose sum is σ = 1339618969080. Its totient is φ = 238154482944.

The previous prime is 616650001021. The next prime is 616650001061. The reversal of 616650001060 is 60100056616.

It can be written as a sum of positive squares in 4 ways, for example, as 210697524324 + 405952476736 = 459018^2 + 637144^2 .

It is a super-2 number, since 2×616650001060² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (616650001061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 531594249 + ... + 531595408.

It is an arithmetic number, because the mean of its divisors is an integer number (55817457045).

Almost surely, 2^616650001060 is an apocalyptic number.

It is an amenable number.

616650001060 is an abundant number, since it is smaller than the sum of its proper divisors (722968968020).

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

616650001060 is a wasteful number, since it uses less digits than its factorization.

616650001060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1063189695 (or 1063189693 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 31.

Adding to 616650001060 its reverse (60100056616), we get a palindrome (676750057676).

The spelling of 616650001060 in words is "six hundred sixteen billion, six hundred fifty million, one thousand, sixty".