1162146623557 has 2 divisors, whose sum is σ = 1162146623558. Its totient is φ = 1162146623556.

The previous prime is 1162146623537. The next prime is 1162146623579. The reversal of 1162146623557 is 7553266412611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1049294971201 + 112851652356 = 1024351^2 + 335934^2 .

It is a cyclic number.

It is not a de Polignac number, because 1162146623557 - 2³⁹ = 612390809669 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1162146623557.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1162146623507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 581073311778 + 581073311779.

It is an arithmetic number, because the mean of its divisors is an integer number (581073311779).

Almost surely, 2^{1162146623557} is an apocalyptic number.

It is an amenable number.

1162146623557 is a deficient number, since it is larger than the sum of its proper divisors (1).

1162146623557 is an equidigital number, since it uses as much as digits as its factorization.

1162146623557 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1814400, while the sum is 49.

The spelling of 1162146623557 in words is "one trillion, one hundred sixty-two billion, one hundred forty-six million, six hundred twenty-three thousand, five hundred fifty-seven".