14551661 has 2 divisors, whose sum is σ = 14551662. Its totient is φ = 14551660.

The previous prime is 14551657. The next prime is 14551697. The reversal of 14551661 is 16615541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7946761 + 6604900 = 2819^2 + 2570^2 .

It is a cyclic number.

It is not a de Polignac number, because 14551661 - 2² = 14551657 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14551561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7275830 + 7275831.

It is an arithmetic number, because the mean of its divisors is an integer number (7275831).

Almost surely, 2^14551661 is an apocalyptic number.

It is an amenable number.

14551661 is a deficient number, since it is larger than the sum of its proper divisors (1).

14551661 is an equidigital number, since it uses as much as digits as its factorization.

14551661 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3600, while the sum is 29.

The square root of 14551661 is about 3814.6639432590. The cubic root of 14551661 is about 244.1392032436.

The spelling of 14551661 in words is "fourteen million, five hundred fifty-one thousand, six hundred sixty-one".