1166532550366 has 8 divisors (see below), whose sum is σ = 1790491821624. Its totient is φ = 569701943160.

The previous prime is 1166532550321. The next prime is 1166532550367. The reversal of 1166532550366 is 6630552356611.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1166532550367) 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, 6782165905 + ... + 6782166076.

It is an arithmetic number, because the mean of its divisors is an integer number (223811477703).

Almost surely, 2^{1166532550366} is an apocalyptic number.

1166532550366 is a deficient number, since it is larger than the sum of its proper divisors (623959271258).

1166532550366 is a wasteful number, since it uses less digits than its factorization.

1166532550366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13564332026.

The product of its (nonzero) digits is 2916000, while the sum is 49.

The spelling of 1166532550366 in words is "one trillion, one hundred sixty-six billion, five hundred thirty-two million, five hundred fifty thousand, three hundred sixty-six".