1166600506 has 8 divisors (see below), whose sum is σ = 1757162484. Its totient is φ = 580879680.

The previous prime is 1166600447. The next prime is 1166600507. The reversal of 1166600506 is 6050066611.

It can be written as a sum of positive squares in 2 ways, for example, as 1166564025 + 36481 = 34155^2 + 191^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1166600507) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1209685 + ... + 1210648.

Almost surely, 2^1166600506 is an apocalyptic number.

1166600506 is a deficient number, since it is larger than the sum of its proper divisors (590561978).

1166600506 is a wasteful number, since it uses less digits than its factorization.

1166600506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2420576.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 1166600506 is about 34155.5340464763. The cubic root of 1166600506 is about 1052.7066994922.

The spelling of 1166600506 in words is "one billion, one hundred sixty-six million, six hundred thousand, five hundred six".