616683623 has 2 divisors, whose sum is σ = 616683624. Its totient is φ = 616683622.

The previous prime is 616683539. The next prime is 616683629. The reversal of 616683623 is 326386616.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 616683623 - 2⁸ = 616683367 is a prime.

It is a super-2 number, since 2×616683623² = 760597381752812258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (616683629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 308341811 + 308341812.

It is an arithmetic number, because the mean of its divisors is an integer number (308341812).

Almost surely, 2^616683623 is an apocalyptic number.

616683623 is a deficient number, since it is larger than the sum of its proper divisors (1).

616683623 is an equidigital number, since it uses as much as digits as its factorization.

616683623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 186624, while the sum is 41.

The square root of 616683623 is about 24833.1154509457. The cubic root of 616683623 is about 851.1788133240.

The spelling of 616683623 in words is "six hundred sixteen million, six hundred eighty-three thousand, six hundred twenty-three".