1065661106 has 8 divisors (see below), whose sum is σ = 1607422320. Its totient is φ = 529853668.

The previous prime is 1065661097. The next prime is 1065661111. The reversal of 1065661106 is 6011665601.

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

It is a super-2 number, since 2×1065661106² = 2271267185682286472, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1487996 + ... + 1488711.

It is an arithmetic number, because the mean of its divisors is an integer number (200927790).

Almost surely, 2^1065661106 is an apocalyptic number.

1065661106 is a deficient number, since it is larger than the sum of its proper divisors (541761214).

1065661106 is a wasteful number, since it uses less digits than its factorization.

1065661106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2976888.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 1065661106 is about 32644.4651663954. The cubic root of 1065661106 is about 1021.4247378193.

The spelling of 1065661106 in words is "one billion, sixty-five million, six hundred sixty-one thousand, one hundred six".