14552356661 has 4 divisors (see below), whose sum is σ = 14615904300. Its totient is φ = 14488809024.

The previous prime is 14552356649. The next prime is 14552356727. The reversal of 14552356661 is 16665325541.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12581884561 + 1970472100 = 112169^2 + 44390^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14552356661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14552356601) 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 in 3 ways as a sum of consecutive naturals, for example, 31773476 + ... + 31773933.

It is an arithmetic number, because the mean of its divisors is an integer number (3653976075).

Almost surely, 2^14552356661 is an apocalyptic number.

It is an amenable number.

14552356661 is a deficient number, since it is larger than the sum of its proper divisors (63547639).

14552356661 is an equidigital number, since it uses as much as digits as its factorization.

14552356661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63547638.

The product of its digits is 648000, while the sum is 44.

The spelling of 14552356661 in words is "fourteen billion, five hundred fifty-two million, three hundred fifty-six thousand, six hundred sixty-one".