154136163056647 has 2 divisors, whose sum is σ = 154136163056648. Its totient is φ = 154136163056646.

The previous prime is 154136163056611. The next prime is 154136163056663. The reversal of 154136163056647 is 746650361631451.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-154136163056647 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 154136163056591 and 154136163056600.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (154136163356647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77068081528323 + 77068081528324.

It is an arithmetic number, because the mean of its divisors is an integer number (77068081528324).

Almost surely, 2^{154136163056647} is an apocalyptic number.

154136163056647 is a deficient number, since it is larger than the sum of its proper divisors (1).

154136163056647 is an equidigital number, since it uses as much as digits as its factorization.

154136163056647 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32659200, while the sum is 58.

The spelling of 154136163056647 in words is "one hundred fifty-four trillion, one hundred thirty-six billion, one hundred sixty-three million, fifty-six thousand, six hundred forty-seven".