6166645356636 has 60 divisors (see below), whose sum is σ = 17069113142928. Its totient is φ = 1934633835648.

The previous prime is 6166645356607. The next prime is 6166645356647. The reversal of 6166645356636 is 6366535466616.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 559784376 + ... + 559795391.

Almost surely, 2^{6166645356636} is an apocalyptic number.

It is an amenable number.

6166645356636 is an abundant number, since it is smaller than the sum of its proper divisors (10902467786292).

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

6166645356636 is a wasteful number, since it uses less digits than its factorization.

6166645356636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1119579800 (or 1119579789 counting only the distinct ones).

The product of its digits is 251942400, while the sum is 63.

The spelling of 6166645356636 in words is "six trillion, one hundred sixty-six billion, six hundred forty-five million, three hundred fifty-six thousand, six hundred thirty-six".