601616611 has 2 divisors, whose sum is σ = 601616612. Its totient is φ = 601616610.

The previous prime is 601616599. The next prime is 601616647. The reversal of 601616611 is 116616106.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-601616611 is a prime.

It is a super-2 number, since 2×601616611² = 723885093262250642, which contains 22 as substring.

It is equal to p_31404844 and since 601616611 and 31404844 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 601616611.

It is not a weakly prime, because it can be changed into another prime (601613611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 300808305 + 300808306.

It is an arithmetic number, because the mean of its divisors is an integer number (300808306).

Almost surely, 2^601616611 is an apocalyptic number.

601616611 is a deficient number, since it is larger than the sum of its proper divisors (1).

601616611 is an equidigital number, since it uses as much as digits as its factorization.

601616611 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 601616611 is about 24527.8741638977. The cubic root of 601616611 is about 844.1894873957.

The spelling of 601616611 in words is "six hundred one million, six hundred sixteen thousand, six hundred eleven".