1165656606 has 32 divisors (see below), whose sum is σ = 2511157248. Its totient is φ = 359668320.

The previous prime is 1165656601. The next prime is 1165656607. The reversal of 1165656606 is 6066565611.

It is a super-2 number, since 2×1165656606² = 2717510646222878472, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1165656601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131961 + ... + 140516.

It is an arithmetic number, because the mean of its divisors is an integer number (78473664).

Almost surely, 2^1165656606 is an apocalyptic number.

1165656606 is an abundant number, since it is smaller than the sum of its proper divisors (1345500642).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1165656606 is a wasteful number, since it uses less digits than its factorization.

1165656606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272536.

The product of its (nonzero) digits is 194400, while the sum is 42.

The square root of 1165656606 is about 34141.7135773821. The cubic root of 1165656606 is about 1052.4227068265.

The spelling of 1165656606 in words is "one billion, one hundred sixty-five million, six hundred fifty-six thousand, six hundred six".