1166414666535 has 32 divisors (see below), whose sum is σ = 2102832092160. Its totient is φ = 613326016800.

The previous prime is 1166414666491. The next prime is 1166414666537. The reversal of 1166414666535 is 5356664146611.

It is not a de Polignac number, because 1166414666535 - 2⁶ = 1166414666471 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1166414666537) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 60836251 + ... + 60855420.

It is an arithmetic number, because the mean of its divisors is an integer number (65713502880).

Almost surely, 2^{1166414666535} is an apocalyptic number.

1166414666535 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1166414666535 is a deficient number, since it is larger than the sum of its proper divisors (936417425625).

1166414666535 is a wasteful number, since it uses less digits than its factorization.

1166414666535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121691756 (or 121691750 counting only the distinct ones).

The product of its digits is 9331200, while the sum is 54.

The spelling of 1166414666535 in words is "one trillion, one hundred sixty-six billion, four hundred fourteen million, six hundred sixty-six thousand, five hundred thirty-five".