1166601355636 has 12 divisors (see below), whose sum is σ = 2045924008128. Its totient is φ = 582051639032.

The previous prime is 1166601355573. The next prime is 1166601355657. The reversal of 1166601355636 is 6365531066611.

It is a self number, because there is not a number n which added to its sum of digits gives 1166601355636.

It is a congruent 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, 312257596 + ... + 312261331.

It is an arithmetic number, because the mean of its divisors is an integer number (170493667344).

Almost surely, 2^{1166601355636} is an apocalyptic number.

It is an amenable number.

1166601355636 is a deficient number, since it is larger than the sum of its proper divisors (879322652492).

1166601355636 is a wasteful number, since it uses less digits than its factorization.

1166601355636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624519398 (or 624519396 counting only the distinct ones).

The product of its (nonzero) digits is 1749600, while the sum is 49.

The spelling of 1166601355636 in words is "one trillion, one hundred sixty-six billion, six hundred one million, three hundred fifty-five thousand, six hundred thirty-six".