1066235897 has 8 divisors (see below), whose sum is σ = 1098983232. Its totient is φ = 1033981200.

The previous prime is 1066235893. The next prime is 1066235899. The reversal of 1066235897 is 7985326601.

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 1066235897 - 2² = 1066235893 is a prime.

It is a super-2 number, since 2×1066235897² = 2273717976102789218, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1066235893) 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, 118763 + ... + 127424.

It is an arithmetic number, because the mean of its divisors is an integer number (137372904).

Almost surely, 2^1066235897 is an apocalyptic number.

It is an amenable number.

1066235897 is a deficient number, since it is larger than the sum of its proper divisors (32747335).

1066235897 is an equidigital number, since it uses as much as digits as its factorization.

1066235897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246319.

The product of its (nonzero) digits is 544320, while the sum is 47.

The square root of 1066235897 is about 32653.2677844041. The cubic root of 1066235897 is about 1021.6083484807.

The spelling of 1066235897 in words is "one billion, sixty-six million, two hundred thirty-five thousand, eight hundred ninety-seven".