1176557220667 has 4 divisors (see below), whose sum is σ = 1176565930960. Its totient is φ = 1176548510376.

The previous prime is 1176557220583. The next prime is 1176557220689. The reversal of 1176557220667 is 7660227556711.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1176557220667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1176557220697) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4149288 + ... + 4423765.

It is an arithmetic number, because the mean of its divisors is an integer number (294141482740).

Almost surely, 2^{1176557220667} is an apocalyptic number.

1176557220667 is a deficient number, since it is larger than the sum of its proper divisors (8710293).

1176557220667 is an equidigital number, since it uses as much as digits as its factorization.

1176557220667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8710292.

The product of its (nonzero) digits is 7408800, while the sum is 55.

The spelling of 1176557220667 in words is "one trillion, one hundred seventy-six billion, five hundred fifty-seven million, two hundred twenty thousand, six hundred sixty-seven".