606610691 has 2 divisors, whose sum is σ = 606610692. Its totient is φ = 606610690.

The previous prime is 606610681. The next prime is 606610727. The reversal of 606610691 is 196016606.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-606610691 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (606610601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 303305345 + 303305346.

It is an arithmetic number, because the mean of its divisors is an integer number (303305346).

Almost surely, 2^606610691 is an apocalyptic number.

606610691 is a deficient number, since it is larger than the sum of its proper divisors (1).

606610691 is an equidigital number, since it uses as much as digits as its factorization.

606610691 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 606610691 is about 24629.4679398480. The cubic root of 606610691 is about 846.5189541396.

The spelling of 606610691 in words is "six hundred six million, six hundred ten thousand, six hundred ninety-one".