1066400627 has 8 divisors (see below), whose sum is σ = 1078899696. Its totient is φ = 1053948672.

The previous prime is 1066400623. The next prime is 1066400639. The reversal of 1066400627 is 7260046601.

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

It is a cyclic number.

It is not a de Polignac number, because 1066400627 - 2² = 1066400623 is a prime.

It is a super-2 number, since 2×1066400627² = 2274420594531986258, 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 = 1066400593 and 1066400602.

It is not an unprimeable number, because it can be changed into a prime (1066400623) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 34823 + ... + 57839.

It is an arithmetic number, because the mean of its divisors is an integer number (134862462).

Almost surely, 2^1066400627 is an apocalyptic number.

1066400627 is a deficient number, since it is larger than the sum of its proper divisors (12499069).

1066400627 is a wasteful number, since it uses less digits than its factorization.

1066400627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23557.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 1066400627 is about 32655.7900991539. The cubic root of 1066400627 is about 1021.6609575008.

The spelling of 1066400627 in words is "one billion, sixty-six million, four hundred thousand, six hundred twenty-seven".