616775133 has 36 divisors (see below), whose sum is σ = 907316928. Its totient is φ = 372509280.

The previous prime is 616775077. The next prime is 616775143. The reversal of 616775133 is 331577616.

It is not a de Polignac number, because 616775133 - 2¹² = 616771037 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 616775091 and 616775100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616775143) by changing a digit.

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 35 ways as a sum of consecutive naturals, for example, 2275788 + ... + 2276058.

It is an arithmetic number, because the mean of its divisors is an integer number (25203248).

Almost surely, 2^616775133 is an apocalyptic number.

It is an amenable number.

616775133 is a deficient number, since it is larger than the sum of its proper divisors (290541795).

616775133 is a wasteful number, since it uses less digits than its factorization.

616775133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434 (or 354 counting only the distinct ones).

The product of its digits is 79380, while the sum is 39.

The square root of 616775133 is about 24834.9578819856. The cubic root of 616775133 is about 851.2209135289.

The spelling of 616775133 in words is "six hundred sixteen million, seven hundred seventy-five thousand, one hundred thirty-three".