1066421535 has 8 divisors (see below), whose sum is σ = 1706274480. Its totient is φ = 568758144.

The previous prime is 1066421527. The next prime is 1066421539. The reversal of 1066421535 is 5351246601.

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

It is not a de Polignac number, because 1066421535 - 2³ = 1066421527 is a prime.

It is a super-2 number, since 2×1066421535² = 2274509780623512450, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1066421496 and 1066421505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1066421539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35547370 + ... + 35547399.

It is an arithmetic number, because the mean of its divisors is an integer number (213284310).

Almost surely, 2^1066421535 is an apocalyptic number.

1066421535 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1066421535 is a deficient number, since it is larger than the sum of its proper divisors (639852945).

1066421535 is an equidigital number, since it uses as much as digits as its factorization.

1066421535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71094777.

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 1066421535 is about 32656.1102245812. The cubic root of 1066421535 is about 1021.6676343998.

The spelling of 1066421535 in words is "one billion, sixty-six million, four hundred twenty-one thousand, five hundred thirty-five".