10616591 has 2 divisors, whose sum is σ = 10616592. Its totient is φ = 10616590.

The previous prime is 10616587. The next prime is 10616597. The reversal of 10616591 is 19561601.

It is a weak prime.

It is an emirp because it is prime and its reverse (19561601) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10616591 - 2² = 10616587 is a prime.

It is a super-2 number, since 2×10616591² = 225424008922562, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10616597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5308295 + 5308296.

It is an arithmetic number, because the mean of its divisors is an integer number (5308296).

Almost surely, 2^10616591 is an apocalyptic number.

10616591 is a deficient number, since it is larger than the sum of its proper divisors (1).

10616591 is an equidigital number, since it uses as much as digits as its factorization.

10616591 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1620, while the sum is 29.

The square root of 10616591 is about 3258.3110655676. The cubic root of 10616591 is about 219.7834715312.

The spelling of 10616591 in words is "ten million, six hundred sixteen thousand, five hundred ninety-one".