1166775166582 has 4 divisors (see below), whose sum is σ = 1750162749876. Its totient is φ = 583387583290.

The previous prime is 1166775166573. The next prime is 1166775166607. The reversal of 1166775166582 is 2856615776611.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×1166775166582² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1166775166582.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 291693791644 + ... + 291693791647.

It is an arithmetic number, because the mean of its divisors is an integer number (437540687469).

Almost surely, 2^{1166775166582} is an apocalyptic number.

1166775166582 is a deficient number, since it is larger than the sum of its proper divisors (583387583294).

1166775166582 is an equidigital number, since it uses as much as digits as its factorization.

1166775166582 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 583387583293.

The product of its digits is 25401600, while the sum is 61.

The spelling of 1166775166582 in words is "one trillion, one hundred sixty-six billion, seven hundred seventy-five million, one hundred sixty-six thousand, five hundred eighty-two".