616445062403 has 8 divisors (see below), whose sum is σ = 652728191472. Its totient is φ = 580164339456.

The previous prime is 616445062399. The next prime is 616445062417. The reversal of 616445062403 is 304260544616.

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 616445062403 - 2² = 616445062399 is a prime.

It is a super-2 number, since 2×616445062403² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (616445062483) 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, 60125 + ... + 1111982.

It is an arithmetic number, because the mean of its divisors is an integer number (81591023934).

Almost surely, 2^616445062403 is an apocalyptic number.

616445062403 is a deficient number, since it is larger than the sum of its proper divisors (36283129069).

616445062403 is a wasteful number, since it uses less digits than its factorization.

616445062403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1203061.

The product of its (nonzero) digits is 414720, while the sum is 41.

The spelling of 616445062403 in words is "six hundred sixteen billion, four hundred forty-five million, sixty-two thousand, four hundred three".