616443415426 has 16 divisors (see below), whose sum is σ = 1001825963424. Its totient is φ = 283344715584.

The previous prime is 616443415369. The next prime is 616443415433. The reversal of 616443415426 is 624514344616.

It is a super-2 number, since 2×616443415426² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 210820500 + ... + 210823423.

It is an arithmetic number, because the mean of its divisors is an integer number (62614122714).

Almost surely, 2^616443415426 is an apocalyptic number.

616443415426 is a deficient number, since it is larger than the sum of its proper divisors (385382547998).

616443415426 is a wasteful number, since it uses less digits than its factorization.

616443415426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421643985.

The product of its digits is 1658880, while the sum is 46.

The spelling of 616443415426 in words is "six hundred sixteen billion, four hundred forty-three million, four hundred fifteen thousand, four hundred twenty-six".