1612226046157 has 2 divisors, whose sum is σ = 1612226046158. Its totient is φ = 1612226046156.

The previous prime is 1612226046083. The next prime is 1612226046181. The reversal of 1612226046157 is 7516406222161.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1586375516196 + 25850529961 = 1259514^2 + 160781^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1612226046157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1612226046757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 806113023078 + 806113023079.

It is an arithmetic number, because the mean of its divisors is an integer number (806113023079).

Almost surely, 2^{1612226046157} is an apocalyptic number.

It is an amenable number.

1612226046157 is a deficient number, since it is larger than the sum of its proper divisors (1).

1612226046157 is an equidigital number, since it uses as much as digits as its factorization.

1612226046157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 241920, while the sum is 43.

The spelling of 1612226046157 in words is "one trillion, six hundred twelve billion, two hundred twenty-six million, forty-six thousand, one hundred fifty-seven".