616004066501 has 2 divisors, whose sum is σ = 616004066502. Its totient is φ = 616004066500.

The previous prime is 616004066471. The next prime is 616004066527. The reversal of 616004066501 is 105660400616.

616004066501 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 496841716900 + 119162349601 = 704870^2 + 345199^2 .

It is a cyclic number.

It is not a de Polignac number, because 616004066501 - 2³⁴ = 598824197317 is a prime.

It is a super-2 number, since 2×616004066501² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (616004062501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 308002033250 + 308002033251.

It is an arithmetic number, because the mean of its divisors is an integer number (308002033251).

Almost surely, 2^616004066501 is an apocalyptic number.

It is an amenable number.

616004066501 is a deficient number, since it is larger than the sum of its proper divisors (1).

616004066501 is an equidigital number, since it uses as much as digits as its factorization.

616004066501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 35.

The spelling of 616004066501 in words is "six hundred sixteen billion, four million, sixty-six thousand, five hundred one".