1166767875477 has 48 divisors (see below), whose sum is σ = 1769278230720. Its totient is φ = 740267426304.

The previous prime is 1166767875457. The next prime is 1166767875479. The reversal of 1166767875477 is 7745787676611.

1166767875477 is a `hidden beast` number, since 1 + 1 + 6 + 6 + 7 + 6 + 78 + 7 + 547 + 7 = 666.

It is not a de Polignac number, because 1166767875477 - 2⁷ = 1166767875349 is a prime.

It is a super-2 number, since 2×1166767875477² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1166767875479) 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, 2354023 + ... + 2806235.

It is an arithmetic number, because the mean of its divisors is an integer number (36859963140).

Almost surely, 2^{1166767875477} is an apocalyptic number.

It is an amenable number.

1166767875477 is a deficient number, since it is larger than the sum of its proper divisors (602510355243).

1166767875477 is a wasteful number, since it uses less digits than its factorization.

1166767875477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452434 (or 452431 counting only the distinct ones).

The product of its digits is 580849920, while the sum is 72.

The spelling of 1166767875477 in words is "one trillion, one hundred sixty-six billion, seven hundred sixty-seven million, eight hundred seventy-five thousand, four hundred seventy-seven".