1167490619857 has 2 divisors, whose sum is σ = 1167490619858. Its totient is φ = 1167490619856.

The previous prime is 1167490619819. The next prime is 1167490619863. The reversal of 1167490619857 is 7589160947611.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1110749474241 + 56741145616 = 1053921^2 + 238204^2 .

It is a cyclic number.

It is not a de Polignac number, because 1167490619857 - 2¹⁵ = 1167490587089 is a prime.

It is not a weakly prime, because it can be changed into another prime (1167490619807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 583745309928 + 583745309929.

It is an arithmetic number, because the mean of its divisors is an integer number (583745309929).

Almost surely, 2^{1167490619857} is an apocalyptic number.

It is an amenable number.

1167490619857 is a deficient number, since it is larger than the sum of its proper divisors (1).

1167490619857 is an equidigital number, since it uses as much as digits as its factorization.

1167490619857 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22861440, while the sum is 64.

The spelling of 1167490619857 in words is "one trillion, one hundred sixty-seven billion, four hundred ninety million, six hundred nineteen thousand, eight hundred fifty-seven".