1066710865 has 16 divisors (see below), whose sum is σ = 1397056320. Its totient is φ = 775437120.

The previous prime is 1066710833. The next prime is 1066710871. The reversal of 1066710865 is 5680176601.

It is not a de Polignac number, because 1066710865 - 2⁵ = 1066710833 is a prime.

It is a super-2 number, since 2×1066710865² = 2275744139018096450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 229747 + ... + 234343.

It is an arithmetic number, because the mean of its divisors is an integer number (87316020).

Almost surely, 2^1066710865 is an apocalyptic number.

It is an amenable number.

1066710865 is a deficient number, since it is larger than the sum of its proper divisors (330345455).

1066710865 is a wasteful number, since it uses less digits than its factorization.

1066710865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8832.

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 1066710865 is about 32660.5398761257. The cubic root of 1066710865 is about 1021.7600219964.

The spelling of 1066710865 in words is "one billion, sixty-six million, seven hundred ten thousand, eight hundred sixty-five".