1167171006656 has 28 divisors (see below), whose sum is σ = 2317449413352. Its totient is φ = 583246745088.

The previous prime is 1167171006653. The next prime is 1167171006779. The reversal of 1167171006656 is 6566001717611.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1167171006656.

It is not an unprimeable number, because it can be changed into a prime (1167171006653) 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, 5181965 + ... + 5402508.

Almost surely, 2^{1167171006656} is an apocalyptic number.

1167171006656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1167171006656 is a deficient number, since it is larger than the sum of its proper divisors (1150278406696).

1167171006656 is a wasteful number, since it uses less digits than its factorization.

1167171006656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10586208 (or 10586198 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 47.

The spelling of 1167171006656 in words is "one trillion, one hundred sixty-seven billion, one hundred seventy-one million, six thousand, six hundred fifty-six".