1066141641 has 4 divisors (see below), whose sum is σ = 1421522192. Its totient is φ = 710761092.

The previous prime is 1066141607. The next prime is 1066141649. The reversal of 1066141641 is 1461416601.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1066141641 - 2¹¹ = 1066139593 is a prime.

It is a super-2 number, since 2×1066141641² = 2273315997348345762, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1066141599 and 1066141608.

It is not an unprimeable number, because it can be changed into a prime (1066141649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 177690271 + ... + 177690276.

It is an arithmetic number, because the mean of its divisors is an integer number (355380548).

Almost surely, 2^1066141641 is an apocalyptic number.

It is an amenable number.

1066141641 is a deficient number, since it is larger than the sum of its proper divisors (355380551).

1066141641 is an equidigital number, since it uses as much as digits as its factorization.

1066141641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355380550.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 1066141641 is about 32651.8244666359. The cubic root of 1066141641 is about 1021.5782439624.

The spelling of 1066141641 in words is "one billion, sixty-six million, one hundred forty-one thousand, six hundred forty-one".