1557992083163 has 2 divisors, whose sum is σ = 1557992083164. Its totient is φ = 1557992083162.

The previous prime is 1557992083097. The next prime is 1557992083177. The reversal of 1557992083163 is 3613802997551.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1557992083163 - 2²⁸ = 1557723647707 is a prime.

It is not a weakly prime, because it can be changed into another prime (1557992083183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 778996041581 + 778996041582.

It is an arithmetic number, because the mean of its divisors is an integer number (778996041582).

Almost surely, 2^{1557992083163} is an apocalyptic number.

1557992083163 is a deficient number, since it is larger than the sum of its proper divisors (1).

1557992083163 is an equidigital number, since it uses as much as digits as its factorization.

1557992083163 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12247200, while the sum is 59.

The spelling of 1557992083163 in words is "one trillion, five hundred fifty-seven billion, nine hundred ninety-two million, eighty-three thousand, one hundred sixty-three".