616670141 has 2 divisors, whose sum is σ = 616670142. Its totient is φ = 616670140.

The previous prime is 616670111. The next prime is 616670143. The reversal of 616670141 is 141076616.

It is a happy number.

616670141 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., 612364516 + 4305625 = 24746^2 + 2075^2 .

It is a cyclic number.

It is not a de Polignac number, because 616670141 - 2¹⁰ = 616669117 is a prime.

Together with 616670143, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 616670098 and 616670107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (616670143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 308335070 + 308335071.

It is an arithmetic number, because the mean of its divisors is an integer number (308335071).

Almost surely, 2^616670141 is an apocalyptic number.

It is an amenable number.

616670141 is a deficient number, since it is larger than the sum of its proper divisors (1).

616670141 is an equidigital number, since it uses as much as digits as its factorization.

616670141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 616670141 is about 24832.8439974160. The cubic root of 616670141 is about 851.1726104262.

The spelling of 616670141 in words is "six hundred sixteen million, six hundred seventy thousand, one hundred forty-one".