1166627044757 has 8 divisors (see below), whose sum is σ = 1170595470552. Its totient is φ = 1162664294400.

The previous prime is 1166627044727. The next prime is 1166627044831. The reversal of 1166627044757 is 7574407266611.

It can be written as a sum of positive squares in 4 ways, for example, as 5558298916 + 1161068745841 = 74554^2 + 1077529^2 .

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 1166627044757 - 2³² = 1162332077461 is a prime.

It is a super-2 number, since 2×1166627044757² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1166627044727) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1006844 + ... + 1829477.

It is an arithmetic number, because the mean of its divisors is an integer number (146324433819).

Almost surely, 2^{1166627044757} is an apocalyptic number.

It is an amenable number.

1166627044757 is a deficient number, since it is larger than the sum of its proper divisors (3968425795).

1166627044757 is an equidigital number, since it uses as much as digits as its factorization.

1166627044757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2837719.

The product of its (nonzero) digits is 11854080, while the sum is 56.

The spelling of 1166627044757 in words is "one trillion, one hundred sixty-six billion, six hundred twenty-seven million, forty-four thousand, seven hundred fifty-seven".