14661220601 has 2 divisors, whose sum is σ = 14661220602. Its totient is φ = 14661220600.

The previous prime is 14661220549. The next prime is 14661220621. The reversal of 14661220601 is 10602216641.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13128576400 + 1532644201 = 114580^2 + 39149^2 .

It is a cyclic number.

It is not a de Polignac number, because 14661220601 - 2²² = 14657026297 is a prime.

It is a super-2 number, since 2×14661220601² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (14661220621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7330610300 + 7330610301.

It is an arithmetic number, because the mean of its divisors is an integer number (7330610301).

Almost surely, 2^14661220601 is an apocalyptic number.

It is an amenable number.

14661220601 is a deficient number, since it is larger than the sum of its proper divisors (1).

14661220601 is an equidigital number, since it uses as much as digits as its factorization.

14661220601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 29.

The spelling of 14661220601 in words is "fourteen billion, six hundred sixty-one million, two hundred twenty thousand, six hundred one".