3561343166042 has 16 divisors (see below), whose sum is σ = 5543237063232. Its totient is φ = 1714763984640.

The previous prime is 3561343166023. The next prime is 3561343166093. The reversal of 3561343166042 is 2406613431653.

It is a junction number, because it is equal to n+sod(n) for n = 3561343165984 and 3561343166002.

It is an unprimeable number.

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, 291620423 + ... + 291632634.

It is an arithmetic number, because the mean of its divisors is an integer number (346452316452).

Almost surely, 2^{3561343166042} is an apocalyptic number.

3561343166042 is a deficient number, since it is larger than the sum of its proper divisors (1981893897190).

3561343166042 is a wasteful number, since it uses less digits than its factorization.

3561343166042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 583253173.

The product of its (nonzero) digits is 933120, while the sum is 44.

Adding to 3561343166042 its reverse (2406613431653), we get a palindrome (5967956597695).

The spelling of 3561343166042 in words is "three trillion, five hundred sixty-one billion, three hundred forty-three million, one hundred sixty-six thousand, forty-two".