616406102405 has 8 divisors (see below), whose sum is σ = 739700035200. Its totient is φ = 493116407056.

The previous prime is 616406102357. The next prime is 616406102441. The reversal of 616406102405 is 504201604616.

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 616406102405 - 2³⁰ = 615332360581 is a prime.

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, 730025 + ... + 1328814.

It is an arithmetic number, because the mean of its divisors is an integer number (92462504400).

Almost surely, 2^616406102405 is an apocalyptic number.

It is an amenable number.

616406102405 is a deficient number, since it is larger than the sum of its proper divisors (123293932795).

616406102405 is a wasteful number, since it uses less digits than its factorization.

616406102405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2118723.

The product of its (nonzero) digits is 34560, while the sum is 35.

The spelling of 616406102405 in words is "six hundred sixteen billion, four hundred six million, one hundred two thousand, four hundred five".