1061066423438 has 8 divisors (see below), whose sum is σ = 1818971011632. Its totient is φ = 454742752896.

The previous prime is 1061066423419. The next prime is 1061066423449. The reversal of 1061066423438 is 8343246601601.

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

It is a super-2 number, since 2×1061066423438² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37895229395 + ... + 37895229422.

It is an arithmetic number, because the mean of its divisors is an integer number (227371376454).

Almost surely, 2^{1061066423438} is an apocalyptic number.

1061066423438 is a deficient number, since it is larger than the sum of its proper divisors (757904588194).

1061066423438 is an equidigital number, since it uses as much as digits as its factorization.

1061066423438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75790458826.

The product of its (nonzero) digits is 497664, while the sum is 44.

The spelling of 1061066423438 in words is "one trillion, sixty-one billion, sixty-six million, four hundred twenty-three thousand, four hundred thirty-eight".