13551564610 has 16 divisors (see below), whose sum is σ = 24570868536. Its totient is φ = 5381058688.

The previous prime is 13551564601. The next prime is 13551564613. The reversal of 13551564610 is 1646515531.

It can be written as a sum of positive squares in 4 ways, for example, as 6894146961 + 6657417649 = 83031^2 + 81593^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13551564610.

It is not an unprimeable number, because it can be changed into a prime (13551564613) 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 7 ways as a sum of consecutive naturals, for example, 4944457 + ... + 4947196.

Almost surely, 2^13551564610 is an apocalyptic number.

13551564610 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13551564610 is a deficient number, since it is larger than the sum of its proper divisors (11019303926).

13551564610 is a wasteful number, since it uses less digits than its factorization.

13551564610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9891797.

The product of its (nonzero) digits is 54000, while the sum is 37.

The spelling of 13551564610 in words is "thirteen billion, five hundred fifty-one million, five hundred sixty-four thousand, six hundred ten".