616224223513 has 4 divisors (see below), whose sum is σ = 616322495488. Its totient is φ = 616125951540.

The previous prime is 616224223493. The next prime is 616224223523. The reversal of 616224223513 is 315322422616.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-616224223513 is a prime.

It is a super-2 number, since 2×616224223513² (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 (616224223523) 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, 49126581 + ... + 49139122.

It is an arithmetic number, because the mean of its divisors is an integer number (154080623872).

Almost surely, 2^616224223513 is an apocalyptic number.

It is an amenable number.

616224223513 is a deficient number, since it is larger than the sum of its proper divisors (98271975).

616224223513 is an equidigital number, since it uses as much as digits as its factorization.

616224223513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98271974.

The product of its digits is 103680, while the sum is 37.

The spelling of 616224223513 in words is "six hundred sixteen billion, two hundred twenty-four million, two hundred twenty-three thousand, five hundred thirteen".