616432555152 has 40 divisors (see below), whose sum is σ = 1769389742880. Its totient is φ = 205477518240.

The previous prime is 616432555139. The next prime is 616432555177. The reversal of 616432555152 is 251555234616.

616432555152 is a `hidden beast` number, since 6 + 1 + 6 + 43 + 2 + 5 + 551 + 52 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 616432555098 and 616432555107.

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, 713463174 + ... + 713464037.

It is an arithmetic number, because the mean of its divisors is an integer number (44234743572).

Almost surely, 2^616432555152 is an apocalyptic number.

It is an amenable number.

616432555152 is an abundant number, since it is smaller than the sum of its proper divisors (1152957187728).

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

616432555152 is a wasteful number, since it uses less digits than its factorization.

616432555152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1426927228 (or 1426927216 counting only the distinct ones).

The product of its digits is 1080000, while the sum is 45.

Adding to 616432555152 its reverse (251555234616), we get a palindrome (867987789768).

The spelling of 616432555152 in words is "six hundred sixteen billion, four hundred thirty-two million, five hundred fifty-five thousand, one hundred fifty-two".