616506505006 has 16 divisors (see below), whose sum is σ = 1058609442816. Its totient is φ = 263781786456.

The previous prime is 616506504989. The next prime is 616506505051. The reversal of 616506505006 is 600505605616.

It is a self number, because there is not a number n which added to its sum of digits gives 616506505006.

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, 36265126 + ... + 36282121.

It is an arithmetic number, because the mean of its divisors is an integer number (66163090176).

Almost surely, 2^616506505006 is an apocalyptic number.

616506505006 is a deficient number, since it is larger than the sum of its proper divisors (442102937810).

616506505006 is a wasteful number, since it uses less digits than its factorization.

616506505006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72547863.

The product of its (nonzero) digits is 162000, while the sum is 40.

It can be divided in two parts, 61650 and 6505006, that added together give a palindrome (6566656).

The spelling of 616506505006 in words is "six hundred sixteen billion, five hundred six million, five hundred five thousand, six".