154771541663 has 2 divisors, whose sum is σ = 154771541664. Its totient is φ = 154771541662.

The previous prime is 154771541633. The next prime is 154771541689. The reversal of 154771541663 is 366145177451.

It is a strong prime.

It is an emirp because it is prime and its reverse (366145177451) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-154771541663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (154771541633) 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, 77385770831 + 77385770832.

It is an arithmetic number, because the mean of its divisors is an integer number (77385770832).

Almost surely, 2^154771541663 is an apocalyptic number.

154771541663 is a deficient number, since it is larger than the sum of its proper divisors (1).

154771541663 is an equidigital number, since it uses as much as digits as its factorization.

154771541663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2116800, while the sum is 50.

The spelling of 154771541663 in words is "one hundred fifty-four billion, seven hundred seventy-one million, five hundred forty-one thousand, six hundred sixty-three".