1166768677667 has 8 divisors (see below), whose sum is σ = 1176184641456. Its totient is φ = 1157365748992.

The previous prime is 1166768677663. The next prime is 1166768677681. The reversal of 1166768677667 is 7667768676611.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1166768677667 - 2² = 1166768677663 is a prime.

It is a super-2 number, since 2×1166768677667² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1166768677594 and 1166768677603.

It is not an unprimeable number, because it can be changed into a prime (1166768677663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3078998 + ... + 3437115.

It is an arithmetic number, because the mean of its divisors is an integer number (147023080182).

Almost surely, 2^{1166768677667} is an apocalyptic number.

1166768677667 is a deficient number, since it is larger than the sum of its proper divisors (9415963789).

1166768677667 is a wasteful number, since it uses less digits than its factorization.

1166768677667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6517557.

The product of its digits is 896168448, while the sum is 74.

The spelling of 1166768677667 in words is "one trillion, one hundred sixty-six billion, seven hundred sixty-eight million, six hundred seventy-seven thousand, six hundred sixty-seven".