1181946606 has 16 divisors (see below), whose sum is σ = 2421549648. Its totient is φ = 384372800.

The previous prime is 1181946599. The next prime is 1181946637. The reversal of 1181946606 is 6066491811.

1181946606 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2402085 + ... + 2402576.

It is an arithmetic number, because the mean of its divisors is an integer number (151346853).

Almost surely, 2^1181946606 is an apocalyptic number.

1181946606 is an abundant number, since it is smaller than the sum of its proper divisors (1239603042).

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

1181946606 is a wasteful number, since it uses less digits than its factorization.

1181946606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4804707.

The product of its (nonzero) digits is 62208, while the sum is 42.

The square root of 1181946606 is about 34379.4503446463. The cubic root of 1181946606 is about 1057.3025654026.

The spelling of 1181946606 in words is "one billion, one hundred eighty-one million, nine hundred forty-six thousand, six hundred six".