1066601361633 has 8 divisors (see below), whose sum is σ = 1422170203200. Its totient is φ = 711050047248.

The previous prime is 1066601361601. The next prime is 1066601361643. The reversal of 1066601361633 is 3361631066601.

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

It is not a de Polignac number, because 1066601361633 - 2⁵ = 1066601361601 is a prime.

It is a super-2 number, since 2×1066601361633² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1066601361643) by changing a digit.

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, 4239138 + ... + 4483691.

It is an arithmetic number, because the mean of its divisors is an integer number (177771275400).

Almost surely, 2^{1066601361633} is an apocalyptic number.

It is an amenable number.

1066601361633 is a deficient number, since it is larger than the sum of its proper divisors (355568841567).

1066601361633 is an equidigital number, since it uses as much as digits as its factorization.

1066601361633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8763591.

The product of its (nonzero) digits is 209952, while the sum is 42.

The spelling of 1066601361633 in words is "one trillion, sixty-six billion, six hundred one million, three hundred sixty-one thousand, six hundred thirty-three".