154105134205663 has 16 divisors (see below), whose sum is σ = 159471123206400. Its totient is φ = 148763850762240.

The previous prime is 154105134205643. The next prime is 154105134205727. The reversal of 154105134205663 is 366502431501451.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-154105134205663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154105134205643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 364855383 + ... + 365277511.

It is an arithmetic number, because the mean of its divisors is an integer number (9966945200400).

Almost surely, 2^{154105134205663} is an apocalyptic number.

154105134205663 is a deficient number, since it is larger than the sum of its proper divisors (5365989000737).

154105134205663 is a wasteful number, since it uses less digits than its factorization.

154105134205663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451362.

The product of its (nonzero) digits is 1296000, while the sum is 46.

The spelling of 154105134205663 in words is "one hundred fifty-four trillion, one hundred five billion, one hundred thirty-four million, two hundred five thousand, six hundred sixty-three".