1066206400601 has 8 divisors (see below), whose sum is σ = 1092451830624. Its totient is φ = 1039972418080.

The previous prime is 1066206400583. The next prime is 1066206400607. The reversal of 1066206400601 is 1060046026601.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1066206400601 is a prime.

It is a super-2 number, since 2×1066206400601² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1066206400607) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2673155 + ... + 3046008.

It is an arithmetic number, because the mean of its divisors is an integer number (136556478828).

Almost surely, 2^{1066206400601} is an apocalyptic number.

It is an amenable number.

1066206400601 is a deficient number, since it is larger than the sum of its proper divisors (26245430023).

1066206400601 is an equidigital number, since it uses as much as digits as its factorization.

1066206400601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5723751.

The product of its (nonzero) digits is 10368, while the sum is 32.

The spelling of 1066206400601 in words is "one trillion, sixty-six billion, two hundred six million, four hundred thousand, six hundred one".