154066510664041 has 2 divisors, whose sum is σ = 154066510664042. Its totient is φ = 154066510664040.

The previous prime is 154066510664039. The next prime is 154066510664083. The reversal of 154066510664041 is 140466015660451.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 84460511257600 + 69605999406441 = 9190240^2 + 8343021^2 .

It is a cyclic number.

It is not a de Polignac number, because 154066510664041 - 2¹ = 154066510664039 is a prime.

Together with 154066510664039, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (154066510668041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77033255332020 + 77033255332021.

It is an arithmetic number, because the mean of its divisors is an integer number (77033255332021).

Almost surely, 2^{154066510664041} is an apocalyptic number.

It is an amenable number.

154066510664041 is a deficient number, since it is larger than the sum of its proper divisors (1).

154066510664041 is an equidigital number, since it uses as much as digits as its factorization.

154066510664041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2073600, while the sum is 49.

The spelling of 154066510664041 in words is "one hundred fifty-four trillion, sixty-six billion, five hundred ten million, six hundred sixty-four thousand, forty-one".