1061042021606 has 8 divisors (see below), whose sum is σ = 1818929179920. Its totient is φ = 454732294968.

The previous prime is 1061042021591. The next prime is 1061042021617. The reversal of 1061042021606 is 6061202401601.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1061042021606² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 37894357901 + ... + 37894357928.

It is an arithmetic number, because the mean of its divisors is an integer number (227366147490).

Almost surely, 2^{1061042021606} is an apocalyptic number.

1061042021606 is a deficient number, since it is larger than the sum of its proper divisors (757887158314).

1061042021606 is an equidigital number, since it uses as much as digits as its factorization.

1061042021606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75788715838.

The product of its (nonzero) digits is 3456, while the sum is 29.

The spelling of 1061042021606 in words is "one trillion, sixty-one billion, forty-two million, twenty-one thousand, six hundred six".