1166617142175 has 48 divisors (see below), whose sum is σ = 2045599207200. Its totient is φ = 584640368640.

The previous prime is 1166617142129. The next prime is 1166617142179. The reversal of 1166617142175 is 5712417166611.

It is not a de Polignac number, because 1166617142175 - 2⁶ = 1166617142111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1166617142179) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 35251 + ... + 1527899.

It is an arithmetic number, because the mean of its divisors is an integer number (42616650150).

Almost surely, 2^{1166617142175} is an apocalyptic number.

1166617142175 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1166617142175 is a deficient number, since it is larger than the sum of its proper divisors (878982065025).

1166617142175 is a wasteful number, since it uses less digits than its factorization.

1166617142175 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1493292 (or 1493287 counting only the distinct ones).

The product of its digits is 423360, while the sum is 48.

The spelling of 1166617142175 in words is "one trillion, one hundred sixty-six billion, six hundred seventeen million, one hundred forty-two thousand, one hundred seventy-five".