13066543442 has 16 divisors (see below), whose sum is σ = 20011471200. Its totient is φ = 6396936000.

The previous prime is 13066543411. The next prime is 13066543481. The reversal of 13066543442 is 24434566031.

It is a junction number, because it is equal to n+sod(n) for n = 13066543396 and 13066543405.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190967 + ... + 250202.

It is an arithmetic number, because the mean of its divisors is an integer number (1250716950).

Almost surely, 2^13066543442 is an apocalyptic number.

13066543442 is a deficient number, since it is larger than the sum of its proper divisors (6944927758).

13066543442 is a wasteful number, since it uses less digits than its factorization.

13066543442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441481.

The product of its (nonzero) digits is 207360, while the sum is 38.

The spelling of 13066543442 in words is "thirteen billion, sixty-six million, five hundred forty-three thousand, four hundred forty-two".