103605163691 has 2 divisors, whose sum is σ = 103605163692. Its totient is φ = 103605163690.

The previous prime is 103605163603. The next prime is 103605163699. The reversal of 103605163691 is 196361506301.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 103605163691 - 2¹⁴ = 103605147307 is a prime.

It is a super-3 number, since 3×103605163691³ (a number of 34 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (103605163699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51802581845 + 51802581846.

It is an arithmetic number, because the mean of its divisors is an integer number (51802581846).

Almost surely, 2^103605163691 is an apocalyptic number.

103605163691 is a deficient number, since it is larger than the sum of its proper divisors (1).

103605163691 is an equidigital number, since it uses as much as digits as its factorization.

103605163691 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 87480, while the sum is 41.

Adding to 103605163691 its reverse (196361506301), we get a palindrome (299966669992).

The spelling of 103605163691 in words is "one hundred three billion, six hundred five million, one hundred sixty-three thousand, six hundred ninety-one".