616364843 has 4 divisors (see below), whose sum is σ = 616494288. Its totient is φ = 616235400.

The previous prime is 616364809. The next prime is 616364851. The reversal of 616364843 is 348463616.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 616364843 - 2⁶ = 616364779 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 616364843.

It is not an unprimeable number, because it can be changed into a prime (616364863) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57296 + ... + 67197.

It is an arithmetic number, because the mean of its divisors is an integer number (154123572).

Almost surely, 2^616364843 is an apocalyptic number.

616364843 is a deficient number, since it is larger than the sum of its proper divisors (129445).

616364843 is a wasteful number, since it uses less digits than its factorization.

616364843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129444.

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

The square root of 616364843 is about 24826.6961756896. The cubic root of 616364843 is about 851.0321224658.

The spelling of 616364843 in words is "six hundred sixteen million, three hundred sixty-four thousand, eight hundred forty-three".