13607664890 has 16 divisors (see below), whose sum is σ = 24658187400. Its totient is φ = 5406534720.

The previous prime is 13607664871. The next prime is 13607664893. The reversal of 13607664890 is 9846670631.

It can be written as a sum of positive squares in 4 ways, for example, as 11944085521 + 1663579369 = 109289^2 + 40787^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13607664893) 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, 4564841 + ... + 4567820.

Almost surely, 2^13607664890 is an apocalyptic number.

13607664890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13607664890 is a deficient number, since it is larger than the sum of its proper divisors (11050522510).

13607664890 is a wasteful number, since it uses less digits than its factorization.

13607664890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9132817.

The product of its (nonzero) digits is 1306368, while the sum is 50.

The spelling of 13607664890 in words is "thirteen billion, six hundred seven million, six hundred sixty-four thousand, eight hundred ninety".