616212406643 has 8 divisors (see below), whose sum is σ = 632485747200. Its totient is φ = 600070834440.

The previous prime is 616212406619. The next prime is 616212406657. The reversal of 616212406643 is 346604212616.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 616212406643 - 2²⁸ = 615943971187 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 616212406643.

It is not an unprimeable number, because it can be changed into a prime (616212406603) 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, 32932613 + ... + 32951318.

It is an arithmetic number, because the mean of its divisors is an integer number (79060718400).

Almost surely, 2^616212406643 is an apocalyptic number.

616212406643 is a deficient number, since it is larger than the sum of its proper divisors (16273340557).

616212406643 is a wasteful number, since it uses less digits than its factorization.

616212406643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65884177.

The product of its (nonzero) digits is 248832, while the sum is 41.

The spelling of 616212406643 in words is "six hundred sixteen billion, two hundred twelve million, four hundred six thousand, six hundred forty-three".